概要：语态有两种：主动语态和被动语态。主语是动作的发出者为主动语态；主语是动作的接受者为被动语态。1）若宾语补足语是不带to 的不定式，变为被动语态 时，该不定式前要加“to”.此类动词为感官动词。feel， hear， help， listen to， look at， mak英语e， observe， see， notice， watchThe teacher made me go out of the classroom.--> I was made to go out of the classroom （by the teacher）。We saw him play football on the playground.--> He was seen to play football on the playground.2）情态动词+ be +过去分词，构成被动语态。Coal can be used to produce electricity for agriculture and industry.
小升初英语语法：主动与被动,标签：五年级英语复习,http://www.youer8.com
语态有两种：主动语态和被动语态。
主语是动作的发出者为主动语态；主语是动作的接受者为被动语态。
1）若宾语补足语是不带to 的不定式，变为被动语态 时，该不定式前要加“to”.此类动词为感官动词。
feel， hear， help， listen to， look at， mak英语e， observe， see， notice， watch
The teacher made me go out of the classroom.
--> I was made to go out of the classroom （by the teacher）。
We saw him play football on the playground.
--> He was seen to play football on the playground.
2）情态动词+ be +过去分词，构成被动语态。
Coal can be used to produce electricity for agriculture and industry.