如果主语是第三人称单数，动词要用第 三人称形式，它的的构成原则: 1)一般在动词词尾加 s; 2) 以s, x, o, sh, ch结尾加es; 3) 末尾是辅音字母＋y动词,改y为i,再 加 －es;
规则动词过去式的构成原则: 1) 一般在动词原形末尾加-ed； 2) 词尾是e的动词加-d; 3) 末尾是辅音字母＋y动词，改y为i再加－ed; 4) 末尾只有一个辅音字母的重读闭音节词,先双 写这个辅音字母，再加－ed.
否定回答
1) Do you make your bed every moning? Yes,I do. No,I do not.
2) Did he make his bed in the past?
Yes,he did.
No,he did not.
3) Does he make his bed every moning? Yes,he does. No,he does not.
Is Sally in her bedroom?
2) They cleaned the room yesterday.
Did they clean the room yesterday? 3) He watches TV.
Does he watch TV last night?
二、对一般疑问句 进行肯定回答
用 助动词do,does,did 变成一般疑问句
• • • • • 1.现在时态 ①当主语是复数时，请出do ②当主语是单数第三人称时，请出does 2.过去时态 事情发生在过去，要请出did.
• (do,doed,did+动词原型)
二、请根据要求将下列句子变为一般疑问句 1) Sally is i诵单词词组。 • 2.背诵书本14的句子.
