a long time 和 for a long time有区别吗?什么时候该加for,什么时候可加可不加呢?

是不是只有for a long time,没有for long time和for long times? so long 和for a long time 有什么区别 long time和a long time区别? at a long time和for a long time的区别,请详尽回答 请问wait me for a long time和wait for me a long time 哪个对,理由那wait for me for a long time对吗？ we work for a long time.for? for long 和 for a long time一样吗在疑问句中用什么 for long与for a long time的区别 we waited a long time for the bus为什么是a long time 而不是long time the long time i waiting for you a long time we work for a long time. He_________(work) there for a long time It's raining for a long time? 英语翻译_____ for a long time Has it beensnowing for a long time? I waited for her for a long time (对for a long time 提问) Darling!for a long long time love!把Darling!for a long long time love!翻译成中文 she's kept computer for a long time对for a long time 提问