Auxiliaries fall into three categories: （） auxiliaries, modal auxiliaries and semi-auxiliaries.-未来题库

Auxiliaries fall into three categories: （） auxiliaries, modal auxiliaries and semi-auxiliaries.

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Auxiliaries fall into three categories: （） auxiliaries, modal auxiliaries and semi-auxiliaries.

正确答案：primary

Tags:auxiliaries semiauxiliaries

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1.A （） verb phrase is a main verb preceded by an auxiliary or auxiliaries and it may also contain modifiers.
2.Auxiliaries fall into three categories: （） auxiliaries, modal auxiliaries and semi-auxiliaries.
3.The past tense forms of auxiliaries do not necessarily express past time.
4.Semi-auxiliaries constitute a category of verbs between auxiliaries proper and main verbs.
5.Which of the following is not a semi-auxiliaries?
6.There are three primary auxiliaries: “be”, “do”, and “（）”.