情态动词怎么趣味学习
5个情态被动语态句子？
5个情态被动语态句子？
含情态动词的被动语态
情态动词 be 过去分词
1. The environment in our city school be improved.
2. More laws must be made to prevent any possible dangers .
3. Teenagers should not be allowed to have part- time jobs.
4. Animals should not be trained to serve human beings.
5. When must this work be done?
动词提问怎么问？
在英语中对句子中的动词进行提问分为以下几种情况：
1.对句子中含有be动词和情态动词的句子提问，对原句子作如下变化：
一、把be动词和情态动词直接提到句首。二、句首字母大写，句中字母小写，人名地名称谓等专有名词首字母无论在任何位置均大写。三、句子的句号变问号，一二人称常互相转换，be动词和主语保持一致，其它照抄不变。如： 1. We can go there.变成Can we go there 2. I am a student.变成Are you a student 3. They are doctors.变成Are they doctors
2.对不含有be动词和情态动词的句子提问，借助于助动词do,does和did来完成，构成助动词 主语 动词原形 其它成分(原句中此部分照抄不变）的句型。
一、过去时态：He went there by car.变成Did he go there by car？二、一般现在时态：
1.谓语动词为三单时：Mrs. Smith likes going shopping with Lucy.变成 Does Mrs. Smith like going shopping with Lucy
2.谓语动词为原形时：They usually play football together after school.变成Do they usually play football together after school