26) Tom ____ better than to ask Dick for help.A) shall knowB) shouldn't knowC) has knownD) should have known27) You ____ your tooth pulled out before it rot completely.A) had better gotB) had to get b
31) An Englishman who ____not speak Italian was once traveling in Italy.A) mustB) couldC) mayD) might32) I ____like to make a suggestion.A) could B) would C) must D) might33) I know things are hard wi
1. 某些动词后要接动名词某些及物动词后能用动名词而不能用不定式作宾语,其中最常用动词的有admit, avoid, appreciate, complete, consider, delay, deny, dislike, enj
2. 动名词作介词的宾语动名词可作介词的宾语,与介词一起构成介词短语,在句中作定语、状语或表语。His dream of becoming a successful writer has come true.She le
3. 带逻辑主语的动名词动名词可以有逻辑主语,其构成形式为名词或代词的所有格+动名词”。带逻辑主语的动名词又称为动名词的复合结构,在句
1. 某些动词后要接不定式某些及物动词后只能接不定式作宾语,其中最常用的动词有agree, afford, arrange, appear, ask, attempt, care, choose, continue, decide, demand, des
2. 不定式的被动式不定式有被动式,当不定式的逻辑主语是这个不定式所表示的动作的承受者,不定式要用被动式,在句中可作主语,宾语,定语,状
3. 不定式的完成式当不定式的动作发生在谓语动词的动作之前,不定式要用完成式,在句中可作宾语,状语以及构成复合宾语,复合谓语。She seemed to hav
4. 不定式的完成被动式当不定式的逻辑主语是这个不定式所表示的动作的承受者,且不定式的动作发生在谓语动词的动作之前,不定式要用完成被动式
6. 带疑问词的不定式短语不定式前可以加某些疑问代词,如who、what、which,或疑问副词,如when、where、how、why等,构成一种特殊的不定式短语,可在句子