成人高考英语语法归纳及练习十七(2)

来源:
江西成考网
发布日期
2007年02月14日

摘要:  动词不定式(二)   第二节 动词不定式的用法   一、 不定式结构作主语   1. 不定式前置   1) Derive [A] mineral resources from [B] sedimentary rock [C] is a [D] major modern industrial activity.   2) in the matriculation for postgraduate in a short time is realy a hard nut.   [A] To make

结构所表示的动作是谁做的,即不定式的逻辑主语,通常可以在特定的上下文中能看出,也可以通过带“for +名词短语”辨出

  It is quite important for us to read good books during the period of general review(总复习)。

  It is not difficult for those who study maths well to pass the exam.

  5. 在某些形容词(如careless,clever,considerate, foolish, good, impolite, kind, naughty, nice, silly, stupid等)作表语时,不定式后可以加of来引导出其逻辑主语

  It is very kind of you to help me./It is stupid of him to do such a silly thing.

  间或也可用for + there to be 表示(而且there后面的不定式只能是to be)。

  It's a great pity for there to be much trouble in the company.

  二、 不定式作宾语

  不定式作宾语有两种:一种是及物动词后直接跟带to的不定式;另一种是“动词+疑问词+带to的不定式”

  1. 动词+带to的不定式结构

  只能跟动词不定式的动词,常见的有:afford, agree, aim, appear, arrange, ask, believe, care, claim, decide, decline(拒绝), demand, desire, determine, endeavor, expect, fail, hesitate, hope, intend, learn, long, manage, mean(想要), offer(表示愿意做…), pretend, promise, refuse, seek(试图), swear, undertake, wish(想要)等。

  5) We refuse that there are insufficient funds in the great vaults(银行保管库) of