It's time the dog should learn how to behave properly.should
It's time the dog should learn how to behave properly.should do 表示虚拟语气,该做而没做.
I could hve arrived a little earlier,but I met a friend of mine on the way.
1.这里为什么不能用,should arrive?表示该来早了还没有来...
2.能不能用 should have arrived?如果不能为什么?
I could hve arrived a little earlier,but I met a friend of mine on the way.
1.这里为什么不能用,should arrive?表示该来早了还没有来...
2.能不能用 should have arrived?如果不能为什么?
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你能帮帮他们吗