英语改错

Question

They have not already come back.

改吧
谢谢，还有一个：We have lived here for 1987.

改完我会加分的。谢谢！~~~~~

Answer 1

They have not come back yet.
already只能用于肯定句

希望可以帮到你，谢谢~！

答案补充：We have lived here since 1987.
since+时间点，for+时间段

PS：您好节省啊。。。还好我看到了你的补充。本回答被提问者采纳

Answer 2

They have not come back yet.他们还没回来
They have come back already.他们已经回来了

Answer 3

1.They have not come back yet.(yet 用于否定句和一般疑问句，already用于肯定句）
2.We have lived here since 1987=We have lived here for 12 years.
(since接时间点，for接时间段）

Answer 4

already改成yet，放在句尾

Answer 5

把already改成yet. yet是用在否定句中的，而already是用于肯定句中的。