现在完成时
moved here hadinb2re0a1k1fast
I’mI sntoiltl hliuvenghreyrenow
past
now
1.过去发生的动作对现在造成的影响或结果。和 already, never, ever, just, before, yet, so far 等状 语连用。
不规则变化: 5. 以不变应万变。如:
let → let → let; put → put → put; read → read → read 6. 若中间有双写e,则去掉一个e,单词末尾再加t。如: feel → felt → felt; keep → kept → kept; sleep → slept → slept 7. 结尾的字母d变t。如: lend → lent → lent; build → built → built; send → sent → sent 8. 变为以-ought或-aught结尾。如: buy → bought → bought; bring → brought → brought; catch → caught → caught; teach → taught → taught
1. 肯定句:主语 + have / has + 过去分词 (+ 其他) I have finished my homework.
2. 否定句:主语 + have / has + not + 过去 分词(+ 其他)I have not finished my homework.
3. 一般疑问句:Have/ Has + 主语 + 过去 分词(+ 其他)-Have you finished your homework? -Yes, I have. / No, I haven’t.