Unit 5 Save the endangered animals 语法Grammar 含有形容词的句型-2023-2024学年八年级英语下册单元语法精讲精练（沪教牛津版）

Unit 5 Save the endangered animals 含有形容词的句型 （时间：40分钟，满分：100分） It is + adj. + for + n./pron. + to + v. 1. It is important for us to protect them. 2. It is good for people to save endangered animals. （1）在句型“Itis+adj.+for+n./pron.+to+v.”中，it是形式主语，动词不定式是真正的主语。 （2）此句型中的形容词表示句中动作的特征，如可能性、必要性、重要性、紧迫性、频繁程度以及价值判断等。常用于这一句型的形容词有：common, easy, right, good, (un)important, (un)necessary,（im)possible,(un)usual等。 adj. +enough+to+v. 1. They are strong enough to protect themselves. 2. The baby panda is not old enough to eat bamboo. ＝ The baby panda is too young to eat bamboo. （1）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······来······;太······以至于 . . . . . （2）此结构的否形式为“not+adj.+enough+to+v.”，意为“不够．．．．来··. . . ·”；可与“too+adj. +to+v. ”表达相似的句意。 It is + adj. + of + n. / pron.+to+v. 1. It is cruel of them to kill pandas. 2. It is kind of the boy to try to save the dog. （1）在句型“It is+adj.+of+ n./ pron.+to+v.”中，it是形式主语，动词不定式是真正的主语。 （2）此句型中的形容词表示句中的人或事物的特征。常用于此句型的形容词有：careless,clever,good,kind,nice,polite,silly等。 一、单项选择(本大题共40小题，每小题2.5分，共100分) 1．It is necessary for all of us ________ the habit of thinking by ourselves. A．developing B．developed C．develop D．to develop 2．It’s dangerous _________ in the sea alone. A．swim B．to swim C．swimming D．swims 3．It will be wise ________ you to wash your hair often, because it is important ________ us to keep clean. A．for, for B．of, for C．of, of D．for, of 4．It’s important ________ some sports every day. A．do B．does C．to do D．doing 5．It is important ________ students ________ study well. A．for; to B．to; to C．for; in D．to; in 6．It is important for you ________ as many English words as possible. A．remember B．remembering C．to remember D．remembered 7．Is it possible ________ us ________ some voluntary work to help the old in our community? A．of; organizing B．for; organizing C．of; to organize D．for; to organize 8．I think ________ necessary ________ to take more exercise. A．it’s; for Jim and me B．it’s; to Jim and me C．that; for Jim and