内容正文:
5-8单元语法讲练
A. It is+ adjective + for + noun / pronoun + to + verb
句型“It is + adjective +for somebody to do something”表示“对某人来说,做某事是……的”。其中的形容词是对所做的事情进行描述,如difficult,easy,hard,important,necessary, dangerous, possible, convenient等。
B. adjective + enough + to + verb
句型“somebody / something + be + adjective + enough to do something”意思是“某人或某物足够……,可以做某事”。注意enough放在形容词后面,表示达到必要的程度
C. It is+ adjective + of + noun / pronoun + to + verb
句型“It is + adjective +of somebody to do something”的意思是“某人做某事真是太……了”。其中的形容词是对人的性格、品质进行描述,如kind,good,nice, clever,careless,polite,foolish等。
练一练
A单项选择。
1. It’s quite easy _______ her to answer this question.
A. for B. of C. to D. with
【答案】A
【解析】“It is + adjective + for + noun/pronoun + to + verb”句型中,形容词通常是描述事物的,修饰的对象是动词不定式。这个句型往往用于表达对某人如果做某件事情的看法.。
2. The classroom is not ______ for more than 40 students together.
A. enough large B. large enough C. so large D. too large
【答案】
【解析】在“adj. + enough + to + v.”结构中enough 为副词,修饰形容词时 放在其后,表示主语所指的对象有足够的能力去做某件事,该句型意为“足够……能……”。“not + adj. +enough + to + v.” 意为“不够……以致不能……”
3. _______ dangerous _______ children to clime high.
A. It is; of B. That is; of C. It is; for D. That is; for
【答案】C
【解析】“It is + adjective + for + noun/pronoun + to + verb”句型中,形容词通常是描述事物的,修饰的对象是动词不定式。这个句型往往用于表达对某人如果做某件事情的看法.。dangerous描述事物的故用for。
4. The water in this village is not _______.
A. enough clean to drink B. enough clean drinking
C. clean enough to drink D. clean enough drinking
【答案】C
【解析】意为“不够……以致不能……”
5. It’s so kind ________ her to help save the animals.
A. for B. of C. to D. with
【答案】B
【解析】“It is + adjective + of + noun/pronoun + to + verb”句型中,形容词多是描述人物的性格、品质的形容词,修饰的对象是句子的逻辑主语,即of后的名词或代词。
B完成句子。
1 这个小女孩够年龄去上学了。
The little girl is _________ __________ to go to school.
2对于我们来说,三天内完成这项工作是不可能的。
________ _____