首页 / 百科 / 内容详情 The past tense forms of auxiliaries do not necessarily express past time. 2022-04-25 5次阅读 past auxiliaries necessarily The past tense forms of auxiliaries do not necessarily express past time. A.正确B.错误正确答案:正确 Some intransitive verbs must be followed by an adverbial without which the meaning of the sentence will be incomplete. Semi-auxiliaries constitute a category of verbs between auxiliaries proper and main verbs. 猜你喜欢 Americans are past oriented. The past perfective when used to express hypothetical meanings is called the imaginary use of the past perfective. The past perfective progressive and the past perfective can be used interchangeably in many cases. In the sentence He worked as a teacher all his life., the simple past indicate a past habit.