It is + adj.+ _ to do sth.for sb. to sb.Read the following sentences: It is very kind of you to help me with my English. City air is dirty, so it would be wise of you to wash your hair often.It is+形容詞形容詞+of sb. to do sth.sb. is + 形容詞形容詞+ to do sth.It is very kind of you to help me with my English.You are very kind to help me with my English.Its very kind of you to help me.(=You are very kind to help me.) 你能幫助我你能幫助我, 真好。真好。Its very rude of her to say such words. (=She is very rude to say such words.) 她說這樣的話，真粗魯。她說這樣的話，真粗魯。Its foolish of him to go alone.(=He is foolish to go alone.) 他單獨(dú)出去太傻了。他單獨(dú)出去太傻了。1 他如此慷慨地借錢給我。他如此慷慨地借錢給我。2 學(xué)生們很有禮貌與老師打招呼。學(xué)生們很有禮貌與老師打招呼。3 你抓弄?jiǎng)e人你抓弄?jiǎng)e人,這么壞這么壞?It was generous of him to lend me some money.Its polite of students to greet to teachers. Is it bad of you to make fun of the others?Read the following sentences:It is necessary for us to finish the task ahead of time. Its very important for students to listen to teachers carefully.(=To listen to teachers carefully is very important for students.) 對(duì)于學(xué)生來對(duì)于學(xué)生來說上課認(rèn)真聽老師講課是非常重要的。說上課認(rèn)真聽老師講課是非常重要的。Its necessary for us to get to school on time. (=To get to school on time is necessary for us.) 對(duì)于對(duì)于我們來說按時(shí)到校是非常必要的。我們來說按時(shí)到校是非常必要的。1. Its important for you to have breakfast.It is not hard for us to answer this question.Is it possible for you to come?Read the following sentences:形容詞形容詞/副詞副詞+ enough + to do sth. 足夠足夠做某事做某事這個(gè)句型表示前述情況足以產(chǎn)生的結(jié)果，這個(gè)句型表示前述情況足以產(chǎn)生的結(jié)果，enough總是放在它所修飾的形容詞或副總是放在它所修飾的形容詞或副詞的后面。如：詞的后面。如：His hair is long enough to tie up.Simon is not careful enough to do the maths.Are you strong enough to carry that box?adj. -ed ending in -ing人的感覺物是怎樣annoying annoyedboring boreddisappointing disappointedinteresting interestedexciting excitedrelaxing relaxedsurprising surprisedtiring tiredfrightening frightened1.The Englishman spoke _ (slow) enough for me to understand.2.She is very _ (please) to see us here.3.Shall we go _ (swim) tomorrow morning?4.There are a lot of patients in the _ (wait) room.5. The little boy felt a little _ (worry).6. Youd better make a _ (decide) before long.7. Forests help to keep water from _ (run) away, so drought doesnt often happen.8. If we plant more trees, the soil isnt easily _ (wash) away.9. The _ (many) trees there are, the better harvests we have.10. It is _ (surprise) that the dont make ant western film these days.11. The result of his exam was _ , but he tried his best not to make his parents _(disappoint).12. Listening to several pieces of _ music or taking a walk before going to bed can make you _ before exam. (relax)disappointingdisappointed1.He was sent there to get _ (far) information.2.Though he is young, he is as _ (forget) as an old man.3.I dont think it was done by a teen-ager. Its _ (possible).4.The _ (freeze) machine doesnt work, there must be something wrong with it.5.These students are not only schoolgirls but also _ (wait).6.The question is much _ (easily) to answer.7.He was so _ (care) that he made a lot of mistakes in his homework.