Unit 6 Sunshine for all Grammar语法 It's +adj.+of或for+sb+to do的用法-2023-2024学年八年级英语下册单元语法精讲精练（牛津译林版）

班级 姓名 学号 分数 Unit 6 Sunshine for all It’s +adj+of或for+sb+to do的用法 （时间：60分钟，满分：100分） 动词不定式作主语时，如果不定式短语较长，为了句子的平衡，常用it作形式主语，而将真正的主语放在句子的末尾。如： I went to Homes for the Elderly. It's fantastic to work as a volunteer. 常用句型如下： It is + adj. + to-infinitive It is + adj. + for … + to-infinitive It is + adj. + of … + to-infinitive ★★★一、动词不定式的用法 ★句型一：It is + adjective + to do something. We use “It is+adj.+to-infinitive” to express what we think about something.含义：“做某事是……的”。 如： It’s important to plant more trees. It’s necessary to keep parks clean. 注意：该句型中的形容词表示不定式所具备的特征或客观情况。常用的形容词有：cheap, convenient, dangerous, difficult, easy, exciting, expensive, important, interesting, necessary, normal, possible, useful, wonderful等等。 ★句型二：It is + adjective + for sb. + to do sth. We use “It is+adj.+for…+to-infinitive” to specify who we are talking about.含义：“对某人来说做某事是……的” It’s important for people to learn good manners. It’s dangerous for children to play on the street. 注意：该句型中的形容词也是表示不定式所具备的特征或客观情况，和句型一相同。 ★句型三：It is + adjective + of sb. + to do sth. We use “It is+adj.+of…+to-infinitive” to express what we think of someone’s actions.含义：“某人做某事真是/太……了”。如： It is very nice of you to offer me a seat. It is careless of him to lose so many things. 注意：该句型中的形容词描述的是人的特征、品质。常用的形容词有：brave, careless, clever, foolish, generous, good, helpful, honest, kind, nice, polite, silly, stupid, wrong等等。 一、单项选择(本大题共30小题，每小题2分，共60分) 1．Although we can only study at home, it is important ________ us to make full use of our time. A．for B．of C．with D．by 2．It’s important ________ our students ________ breakfast. A．for; having B．of; to have C．for; to have D．of; having 3．—Your room is in a mess. It’s time ________. —OK, Mum. A．tidying it up B．to tidy up it C．tidying up it D．to tidy it up 4．It is ________ for you to watch the documentary (纪录片) Once Upon a Bile if you want to learn more about Chinese food. A．creative B．necessary C．meaningless 5．It is difficult ________