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1、动词不定式的基本形式是“to+动词原形“，有时可以不带to. 动词不定式没有人称和数的变化，在句子中不能作谓语。在句中可以作主语、表语、宾语、宾语补足语、定语和状语。构成：to + do(动词原形)用法：用作宾语 (v. + to do )I want to buy a computer.She hopes to find a better job.I wish to go with you.need to do learn to do agree to do plan to do decide to do refuse to dobegin to do start to do try to
2、doforget to do remember to do like to doStop to dogo on to do2. 用作宾语补足语：(v. + sb. + to do )She asked me to help her.The teacher told him to come on time.Edisons mother taught him to read and write. want sb to dowish sb to do1 / 3 get sb to doorder sb to do find sb to be like sb to do would like sb t
3、o do help sb to do作宾语补足语不带to 的情况：常见动词有：一感：feel二听：listen to,hear三让: let, make, have四看: see, look at,watch, notice比较： I saw her crossing the street. I saw her cross the street.3. 用作状语(adverbial)：I went there to see my teacher. She came back to get her English book.The box was too heavy to move.4. 用作主语，（这时可将其用形式主语it来替换）1. To be an actress is my dream.It is my dream to be an actress.2. To go abroad is his dream.It is his dream to go abroad.3. To say is easy, to do is difficult.It is easy to say, it is difficult to do. 友情提示：范文可能无法思考和涵盖全面，供参考!最好找专业人士起草或审核后使用，感谢您的下载！