study hard is very important.РIt is so nice to hear your voice.РIt is very important to study hard.Р不定式作主语时,通常用it作形式主语,?把真正的主语放在后面。Р注意:Р1、It is +adj. for/ of sb. to do sth.Р2、It takes sb. some time to do sth.РIt takes me three hours to finish the homework every day.Р作主语Р我每天花去三个小时完成家庭作业。РI spend three hours finishing the homework every day.Р3、It is + n. (for sb) to do sth.РIt’s a good idea (for you) to read English every day.?It is my pleasure to help you with your English.Р作主语Р4、用在谚语中РTo see is to believe.РTo say is easy, but to do is hard.Р作主语Р1、It is necessary ______us to learn to wait. ? (of/for)?2、It was careless ______me to break the cup .? (of/for)?3、It took them 1,000 yuan _________this ? table. (buy)?4、It is my pleasure _________ the box for you.? (carry)Рto buyРforРofРto carryР练习
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