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The second question:
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The third question:
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The fourth question:
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The fifth question:
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The sixth question:
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Question 7:
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Question 8:
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Question 9:
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This part of the extended materials mainly examines the knowledge points of interrogative pronouns:
Interrogative pronouns should be placed before predicate verbs in sentences, and the part of speech and quantity have not changed, nor has the objective case except who. What, which and who can also be used as determiners. Which and what refer to different scopes, whether they are interrogative pronouns or determiners. What is infinite range, and which is certain range.
The objective situation of who is who. In written language, it is used as a verb object or a preposition object. Who can be used instead in spoken English, but who can only be used after prepositions.
When interrogating preposition objects with interrogative pronouns, prepositions and interrogative pronouns used to be put together at the beginning of sentences. In modern English, interrogative pronouns are at the beginning of a sentence and prepositions are at the end.
Interrogative pronouns play the role of noun phrases in sentences and are used to form interrogative sentences. There are the following interrogative pronouns: what, who, who, which, whatever, whatever, who and so on.