2. English grammar is the study of English grammar. Grammar is the rule of combining words and making sentences, and the art of putting the right words in the right place. Grammar can be divided into two parts: morphology and syntax. Morphology includes the forms and changes of various words, and syntax mainly includes the types and types of sentences, sentence components and the rules of choosing words and making sentences.
3. Postgraduate entrance examination, that is, taking the postgraduate entrance examination. It refers to the general name of the relevant examinations organized by the education authorities or enrollment institutions for the selection of graduate students, which consists of unified examinations organized by the national examination authorities and interviews organized by enrollment units. Postgraduate entrance examination is divided into two levels: master's degree and doctor's degree. Due to different levels, regions, disciplines and majors, the selection requirements are also different. The national unified examination subjects generally include foreign languages, politics, specialized courses and comprehensive courses. Postgraduate entrance examination must first meet the national standards, and then follow the procedures: contact the school, preliminary preparation, registration, initial test, adjustment, second interview, second interview adjustment, admission and so on.