中考英语主动语态变被动语态复习课件概要.ppt

2. 用所给动词的适当形式填空。 1.The students ________ (tell) to take care of their desks and chairs. 2.Vegetables, eggs and fruits ________ (sell) in this shop. 3.Knives ________ (use) for cutting things. 4.Uncle Wang ____ (get) up early in the morning. 5. The floor ________ (sweep) by my sister every day. ．We have built many schools so far． Many schools have been built by us so far. 现在完成时： S+ have/has + been+过去分词 ．I have finished my homework so far． My homework has been finished by us so far. 现在完成时： S+ have/has + been+过去分词 7．Amy can take good care of Gina ． Gina can be taken good care of by Amy. 情态动词： S+ can/may/must/should + be+过去分词 He can carry the basket easily. The basket can be easily carried by him. They can sing some beautiful songs. Some beautiful songs can be sung by them. “We must put them in the fridge.”The dogs thought . “They must be put in the fridge.”The dogs thought. 含情态动词的被动语态构成： 情态动词（can/may/must/should）+be+及物动词过去分词 e.g 1、This bike can be repaired. 2、The tree must be put straight in the hole. 3、The classroom should be cleaned every day. 把下列主动句变被动句： 1、We should plant the trees around the lake 2、We must repair the computer now . 3、Students should correct their mistakes . 4、We must water the trees well. The trees should be planted around the lake . The computer must be repaired now . Their mistakes should be corrected . The trees must be watered well. 在被动语态中要注意的问题 　　一些使役动词(let, have, make等)或感官动词(see, hearwatch,notice等)在主动语态中后面接的动词不定式不带to，但改为被动语态时，要补上to。如： The boss makes the workers work 18 hours a day. The workers are made to work 18 hours a day by the boss. I saw him enter the house. He was seen to enter the house by me. The teacher let them leave the classroom after class. They were let to leave the classroom by the teacher after class. We hear her sing in the room every day. She is heard to sing in