★It作形式主语 It’s very common to raise money in some American school. It’s normal to get gift from him. It’s important for us to be in a good mood. It’s important (for sb.)to do sth.做。。。。(对某人而言)是重要的 It’s normal to do sth. It’s useless to do sth. It’s useless to waste time on computer. It’s easy to do sth. 例句 It’s easy to study English. It’s easy to park bikes. It’s certain that …… It’s true that。。。确实。。。 例句It’s true that suitable uniforms can show good discipline. It’s true that you are right. It’s said that 据说。。。。 例句:It’s said that half of the students don’t have breakfast regularly. 归纳:It is +形容词+(for sb.)+to do sth.做某事(对某人而言)是。。。。的 例句:1.It’s important for you to help people choose suitable clothing. 2.It’s impolite to eat so noisily. 3.It’s polite to follow western table manners. 4.It’s polite to eat up the food on your plate. 5.It’s very important to for us to have different kinds of foods. 6.It’s easy to find the doctors. 7.It’s necessary for us to wear sports clothes on the playground. 8.It’s necessary for us to know different uniforms in our daily life. 【注意】区别句式It’s +形容词+for sb. to do sth. It’s +形容词+of sb. to do sth. 对比:It’s impolite of the man to wear jeans to go to a formal meeting. It’s necessary for us to wear sports clothes on the playground. 解析:如果形容词是描述人品质的,则用of连接。如果不是则用for 更多例句:It’s nice of you . It’s kind of you to help me .不能说成It’s kind for you to help me . It’s important for you to learn English well.不能说成It’s important of you to learn English. ●区别not…any longer /no longer He does’nt hate the driver any longer=He no longer hate the driver. He no longer stays in his room by himself = It take sb. st. to do sth.某人花费。。。时间做某事 It will take us a few days to get there by bike ● 区别spend/pay/cost/take Spend 通常是人做主语,常用短语是spend ..+时间或金钱..(in) doing sth. Spend .... +时间或金钱.on sth. 表示“某人做某事花费。。。。时间或金钱 Pay ..。。。人做主语。常用短语 sb. pay ...+金钱+for sth. 表示“某人为某物支付。。。金钱 Cost.. 物做主语 表示某物花费某人多少钱sth. cost sb. +金钱 Take 通常和it连用,构成句式It take sb. +时间或金钱+to do sth. 表示某人花费。。。时间或金钱做某事 例子:I spent 20 yuan (in) buying this book.(in可以省略)=I spent 20 yuan on this book. I paid 20 yuan for this book. It took me 20 yuan to buy this book. The book cost me 20 yuan . 注意:spend 和take 还可以表示花费时间做某事。 I spent two hours on my homework.=I spent two hours doing my homework.=It took me two hours to do my homework. 我花了俩个小时做家庭作业。 区别Older/elder how long /how far 区别副词和形容词happy/happily careful /carefully The children are playing games happily. The children are living a happy life . (责任编辑:admin) |