现在完成时句子练习.1）我妈妈已经洗完了所有的脏衣服.（2）我已经吃过晚饭了.（3）他刚刚喝了一杯茶.

1. My mom has washed all the dirty clothes.
2. I have had dinner.
3. He has just drunk a cup of tea.
4. Lucy has found her pencil.
5. I have watched TV for two hours.
6. She has cleaned the window since 10 o'clock.
7. His mother has taught math for 20 years.
8. My ( little ) brother has been ill for 2 days.
9. We have lived (或 been living ) in Shanghai since last spring.
10. They have learnt English for 3 years.
11. She has lived (或been living) her since 1996.
12. His father has driven cars for 10 years
13.This youth has lived (或been living )here for 10 months.
14. I have been to Shanghai 3 times.
15. We have been to Beijing.
16. Mary has gone to the park.
17. His ( big ) brother has gone to America.
相信我吧!其它的都有错.比如一楼的第三,第十一句.二楼的.太多了 不说了 三楼的第8 第12句