语态有两种：主动语态和被动语态。主语是动作的发出者时为主动语态；主语是动作的接受者时为被动语态。
注意：1）感官动词主动语态的宾语补足语是不带to 的不定式，变为被动语态时，该不定式前要加to.例如：
The teacher made me go out of the classroom. 老师逼我走出教室。
I was made to go out of the classroom （by the teacher）。
We saw him play football on the playground. 我们看见他在草场踢球。
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。例如：
Coal can be used to produce electricity for agriculture and industry. 煤可以产生工农业需要的电。
上一篇： ［动词的时态］现在进行时代替将来时
初二英语上学期Lesson 81 She taught herself
八年级英语上学期牛津英语Water festival
牛津英语八年级英语上学期8A unit 2 integrated skills
八年级英语下学期牛津英语 A dangerous servant
牛津英语八年级英语上学期 controlling fire
Unit 3 Welcome to the unit牛津英语
八年级英语下学期牛津版 Unit 1 Past and Present
初二英语课件Lesson 45 The forty
Unit 3 vocabulary2江苏教育版
八年级英语上学期people’s jobs牛津英语