今天课窝小编为大家准备了AEIS语法动词不定式的用法,希望能够对你有所帮助,顺利通过2018年的AEIS考试,早日实现自己的留学梦!
一、动词不定式作主语
结构1:it is(连系动词)+形容词+for+名词/代词+to do sth.,此类句子中作补语的形容词有:
1)表示重要性及紧迫性的词: important, essential, vital, necessary, pointless, unnecessary
2)表频度性的形容common, normal, usual, rare
结构 2: it is + adj. + to do sth.,在此类句子中作主补的形容difficult, nice, necessary, worthwhile, important 等。
结构 3: to do sth . is to do sth.
二、动词不定式作宾语
(A) —些可直接带不定式作宾语的动词,考前突击记忆一下即可:
(B) 一些动词可带“连接代(副)词/连接词whether+不定式”作宾语.如:ask. consider, decide, discover, understand, wonder, think 等,如:
They asked how to finish this project?
Do you decide where to have dinner?
附注:连接代词/连接副词/whether+不定式还可作主语.主语补语或介词宾语,如: When to start the project hasn’t been decided
三、项式不定式作定语
1、某些带不定式作宾语或状语的动词,其同源名词常用不定式作定语,如:attempt, arrangement, claim, decision, determination, failure, hope. need. plan, promise, refusal, resolution, tendency, proposal, wish
2、一些常被不定式修饰的形容词,其同源名词常用不定式作定语,如:ability, ambition, anxiety, eagerness, inclination, patience, reluctance
3.被only. last, next first, second等序数词或最高级形容词修饰的名词常用不定式作定语
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