疑造句Is he a student? yes, he si. No, he isn't.
1、在谓语是be动词的过去式句子中,将be动词(was,were)移到主语前,并加上问(?),即可构成疑问句。格式:肯定句:主语 + was/were +...疑问句:Was/Were +...?2、be动词开头的一般疑问句,可用Yes或No回答,由于问句是一般过去时,所以答句中的 be动词也得是过去式。(答句中的主语...
Am I a teacher? /Is he a teacher?/ Are they teachers?
否定:主+be+not+Ving+其他 肯定:主+be+Ving+其他 造句:I am doing my homework ◆一般过去时用动词的过去式来表示 (一)be动词(am/is/are)的过去式:was/were was : am/is的过去式为was were: are的过去式为were 例:I was here.Lu Xun was a great writer.The students were ...
3. 如果主语是单数名词、不可数名词或单数第三人称代词(he, she, it)时,be动词用is。 如:My mother is a teacher. 我的妈妈是一名老师。 He is a student. 他是一名学生。is也可与主语缩写,如: He is = He's, My mother is = My mother's等。但是This is不可缩写。而is与not...