1. stands for the characteristics and state of things or people.

The sky is blue. The sky is blue. He is a boy. He is a boy. She has long hair.

2. Indicates regular or habitual behavior. I get up at six every day. I get up at six every day. General time words are: oft, sometimes, every day, usually.

The composition of the simple present tense

1.be verb: subject +be(am, is, are)+ others. I am a boy. I am a boy. He is a student. He is a student. 2. Behavior verbs: subject+behavior verbs (+others). We study English. We study English. When the subject is the third person singular (he, she, it), add "-s" or "-es" after the verb. Mary likes Chinese. Mary likes Chinese.

Changes in the simple present tense

1 Do verbs. Negative sentence: subject +be+not+ others. He is not a worker. He is not a worker. General question: Be+ subject+others. For example:-Are you a student? -Yes. I am. /No, I'm not. Special questions: question words+general questions. For example: where is my bike?

2. Changes of behavioral verbs.

Negative sentence: subject +don't (not)+verb prototype (+others). I don't like bread.

When the subject is singular in the third person, do sn't should be used to form a negative sentence. He doesn't play very often.

General interrogative sentences: Do(Does)+ subject+verb prototype+others. Do you often play football? -Yes, I know. /No, I don't know.

When the subject is singular in the third person, does should be used to form a general question.

For example:-Does she go to work by bike? -Yes, she does. /No, she didn't.

Special questions: interrogative words+general questions. How does your father go to work?

Variation law of verb +s

1. In general, directly add -s, such as: cook-cooks, milk-milks.

2. it ends in s.x.sh. Chestnut o and add -es, such as: guess-guess, wash-washes, watch-watch, go-goes 3. End with "consonant +y", change y to I, and add -es, for example, study-studies in the present continuous tense.

1. The present continuous tense indicates an action that is going on or happening now, or it can indicate an activity in the current period of time or an action that is going on at this stage. He is taking pictures.

2. The basic structure of affirmative sentences in the present continuous tense is be+ verb ing. The monkey is playing on the swing. She is cooking. He is tidying up his home.

3. The negative sentence in the present continuous tense is followed by not. She didn't take pictures. He didn't climb the mountain. 4. The general interrogative sentences in the present continuous tense put the be verb at the beginning of the sentence. Is he reading a book? Is the rabbit running?

5. The basic structure of special interrogative sentences in the present continuous tense is: interrogative words fail to express meaning +be+ subject+verb ing? But when the interrogative word is the subject, its structure is: interrogative word fails to express meaning +be+ verb ing?

Variation law of verb plus ing

1. In general, directly add ing, such as cook-cooking.

2. end with the silent e, turn to e and add ing, such as: make-making, taste-tasting take-take.

3. If there is a vowel letter and a consonant letter at the end, write the consonant letter at the end twice, and then add ing, such as: run-running, stop-stop swim-swimming.

Future tense theory

1. Concept: indicates the action to be taken or the state of being and the intention, plan or preparation for doing something. There are usually the following adverbials of time in the sentence: tomorrow, the next day (week, month, year …), soon, the day after tomorrow, this morning, this afternoon, this evening, etc.

Second, the basic structure: ① be going+do; Wu Yifan is going to visit his grandparents next weekend. Amy will climb the mountain tomorrow.

2 will+will. He will go shopping this afternoon. He will go to Shanghai next month.

Negative sentence: add not after be verb (am, is, are)l or add not after modal verb will to become will. Simple past tense

1. The simple past tense indicates the action or state of being at a certain moment in the past, and is often used with adverbials indicating the past time. The simple past tense also expresses gratitude for the behavior that happened frequently or repeatedly in the past. For example, yesterday and last night (weekend, month, year ...) were used to 2. The change of the general past tense of the Be verb: (1) am and is become the general past tense of was. (was not = was't) (2) Are has become the simple past tense of were. (were not = were' t (3) The sentence with was or were has the same negative sentence and interrogative sentence changes as is, am and are are, that is, the negative sentence is followed by not, and the general interrogative sentence adjusts was or were to the beginning of the sentence. 3. Simple past tense sentences without be verbs in the sentences.

Negative sentence: no+verb prototype: Jim didn't come home yesterday.

General problem: add did to the beginning of a sentence, and the verb past tense in the sentence changes back to its original form. Did Jim go home yesterday? Special interrogative sentence: (1) interrogative word +did+ subject+verb prototype? What did Jim do yesterday? ⑵ When interrogative words are the subject: interrogative words+verb past tense? Who went home yesterday?

Verb past tense change rules:

1. Generally add -ed after verbs, such as: pull-pulled, cook-cooked 2. Add e and d at the end, such as: taste- just taste it.

3. For stressed closed syllables with only one vowel and one consonant at the end, double the consonant at the end and add -ed, for example, stop-stop.

4. end with the consonant +y, change y to I, and then add -ed, for example: study-studied.

5. Irregular verb past tense:

am，is-was，are-were，do-did，see-saw，say-say，give-give，get-get，go-go，come-come，have-have，eat-eat，take-take，run-ran，sing-sang，put-put，make-make，read-read， write-write，draw-draw，drink-drink，fly-fly，ride-ride，speak-speak，sweep-swing，sit-sat teach-teach，feel-feel-feel

Adjective comparative review

1, the use of adjective comparative degree in sentences: the comparison of two things or people uses comparative degree, which is generally followed by the word than. You can use more, a little before the comparative degree to express the degree. Personal pronouns after than use the nominative case (accusative case can be used in spoken English).

2. The rule of adding er to adjectives: (1) generally add ER at the end of words; Short-shorter small-small(2) ends with the letter e and adds r; Good-good late-late

(3) If it ends with a vowel letter and a consonant letter, double the consonant letter at the end and add ER; Big-big thin-thin fat-fat

(4) ending with "consonant +y", change y to I first, and then add er. Easy-easy-heavy-heavy early-early 3. Comparison of irregular adjectives: good-better, beautiful- more beautiful. There are differences between sentence patterns and have and has.

1, there is something (or person) somewhere. 2. In a sentence, the subject is singular, the be verb is plural, and the be verb is are. If there are several items, determine the be verb according to the noun closest to the be verb.

3. The negative sentence of 3.there be sentence adds not after the be verb, and the general interrogative sentence transfers the be verb to the beginning of the sentence. 4. the difference between 4.there be sentence pattern and have(has): have be means that there is something (or person) somewhere; Have means that someone owns something.

5. the usage of some and any in there be sentence patterns: some is used for affirmative sentences, and any is used for negative sentences or interrogative sentences.

4. Special interrogative sentences: sentences that begin with special interrogative words (what, where, who, which, when, who, why, how, etc.). ). This kind of sentence should answer whatever you ask, not "yes, no". What is this? A: This is a computer. What does she do? A: He is a doctor. ) Where are you going? A: I'm going to Beijing. )

Who played football with you yesterday afternoon? A: (Mike. Which season do you like best? A: (Summer. What time do you get up? I actually get up at 6: 30. ) whose skill is this? A: (It belongs to Amy. Why do you like spring best? A: Because I can plant trees. ) How are you? A: I'm fine. /I am very happy. How did you go to Xinjiang? A: I went to Xinjiang by train. )

☆ Among them, how can be used with other adjectives to form special interrogative phrases for asking questions, such as: how much (quantity), how much (money), how high (length), how big (size), and how many (weights) Examples: How many pencils do you have A: (I have three pencils. How many girls can you see? I can see four girls. How many desks are there in your classroom? Answer: (Yes, 5 1. )

The usage of prep. In, in and in.

1.at is used at specific times and before noon. For example, six o'clock, half past seven, and two o'clock at noon. On is used before a specific week and date. For example: Monday, September 1 Sunday.

3.In is used before year, month, season or morning, afternoon and evening. Such as: 2008, February, spring, morning special question words.

What, what, where, who, who, when and how.

What color, date, date, class, class, why and when?

How many, how many, how many, how many, how many, how long, how high and multiple four, special questions.

Ask what, what, where, how, what color, what color, what day, which day, who, what country, what date, whose, and how long.

Ask what language, what language, why, what theme, what shape, what shape, how much, what city, what city, how much, ho. How old is W? How old is it? When? when? How much is once in a while? How high? What time? How heavy is it? Ask what season, what season and what animal.