1、B6 U2 Grammar不定式作主语To see is to believe. 百闻不如一见。 To get up early is necessary. 早起是必要的。To learn a skill is very important for everyone in society.1.To see is to believe. 2.To get up early is necessary. 单个不定式作主语时,谓语动词用_数。单To see is to believe. 百闻不如一见。 To get up early is necessary. 早起是必要的。To learn a sk
2、ill is very important for everyone in society.1.How to use the computer is the question.2.Where to go has not been decided. 不定式短语作主语时,谓语动词用_数。单To see is to believe. 百闻不如一见。 To get up early is necessary. 早起是必要的。To learn a skill is very important for everyone in society.Its not easy to work out the pr
3、oblem. = To work out the problem is not easy.若不定式太长,往往用it作_,不定式后置。形式主语Its important for us _(learn)English well.to learnIts +adj +for sb+ to do ( _, _, _, _) difficulteasyimportantnecessary 1. It is necessary for young students to learn a foreign language. 2. It was silly of you to give up such a go
4、od chance！Its +adj +for sb+ to do ( _, _, _, _) difficulteasyimportantnecessaryIts + adj + of +sb + to do (_, _, _, _, _ )kindfoolishfriendlyrudepolite 1. It is a pity for you to miss such a wonderful film. 2. It is a great fun for you to visit the exhibition.pity,shame,pleasure,ones duty, fun, joy,good manners,bad manners 1. It took me more than an hour to do my homework yesterday evening. 2. It will take us a lot of money to buy that house.Thank You！Please take note.
