题目内容

English verbs have five distinct grammatical forms, ----------- serves to mark aspect(a term used to describe the duration of the activity described by a verb).

A. the mark for third-person singular present tense (-s)
B. the mark for present continuous tense (-ing)
C. the base form for present form
D. the past form -d

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English verbs have five distinct grammatical forms, _______serves to mark finiteness.

A. -s
B. -n
C. infinitiveform
D. -ing

The two clauses in a ---------- sentence are structurally different, one is the main clause, and the other is a subordinate clause.

A. simple
B. complex
C. complete
D. coordinate

-----------are usually used to express relationship between two entities involving a location.

A. verbs
B. adjectives
C. nouns
D. prepositions

In teh category of CP, letter C stands for __________.

A. complement
B. capital
C. curriculum
D. complementizer