英语中在什么情况下使用现在完成时?像:Now the water in it is very dirty.Lots of fish (have died).Some farmers living near the lake report that some of their sheep and cows (have become)ill and some (have already die)sincethey drank the water from the lake.句中括号内为什么有使用现在完成时?
像一楼所举的例子, 我吃过饭了.准备去睡觉了.
i've had my lunch, now i wanna some naps.
中,不是说已经吃过了,不是还在吃.那为什么还用现在完成时?
参考资料:学英语多背背段落 句子有好处!