1 / 31 小 升 初 语 法 突 破 时态 一般现在时 一
意义:表示经常发生的事情,动作或存在的状态 二
构成及变化 1
be 动词的变化
肯定句:主语+be (am, is, are) +其它
如:I am a boy
我是一个男孩
否定句:主语+ be + not +其它
如:He is not a worker
一般疑问句:Be +主语+其它
如:-Are you a student
/ No, I'm not
特殊疑问句:疑问词+一般疑问句
如:Where is my bike
行为动词的变化
当主语为第一,二人称及复数时,助动词为 do 肯定句:主语+动词原形(+其它)
如:We often play basketball after school
否定句:主语+ don't+动词原形(+其它)
如:We don’t play basketball after school
一般疑问句:Do +主语+动词原形+其它
如:Do you often play basketball after school
Yes, we do
/ No, we don't
特殊疑问句:疑问词+以 do 开头的一般疑问句
如:What do you often do after school
当主语为第三人称单数时,助动词为 does 肯定句:主语+动词三单式(+其它)
如: He swims well
2 / 31 否定句:主语+ doesn’t+动词原形(+其它)
如:He doesn’t swim well
一般疑问句:Does +主语+动词原形+其它
如:Does he swim well
Yes, he does
/ No, he doesn