I haven't be able to be outdoors for so longoutdoors是副词,为什么能和be连用

I haven't been able to be outdoors for so long haven't been 为什么要用 I haven't be able to be outdoors for so longoutdoors是副词,为什么能和be连用 I wonder if it's because I haven't been able to be outdoors for so longI haven't been 是什么时态 现在完成时被动语态吗? i haven't been able to answer his letter.perhaps i would next week这里用would 为什么不行,will be able to 怎么可以? i wonder if it is because I haven‘t been able to be outdoors中outdoors的用法是什么Outdoors是副词,为什么会放在be后面 I hope so.I haven't been able to fall a___ for days. but I still haven't been able to lose more than a pound or two. The lizards seem friendly,but I haven't been able to catch one yet.的翻译 wonder if because I haven't be able to out doors for so long that I have grow so crazy about eve...wonder if because I haven't be able to out doors for so long that I have grow so crazy about 谁能翻译? i wonder if it's because i haven't been able to是强调句还是结果状语从句i wonder if it's because i haven't been able to be outdoors for so long that i've grown so crazy about everything to do with nature.中that是强调句还是结果状 分辨词性I happened to be upstairs one evening I didn’t go downstairsI haven’t been able to be outdoors 这三句话中的upstairs ,downstairs和outdoors 分别是什么词性 won't see I able be tomorrow you to(.)(连字成句) it's because I haven't been able to be outdoors for so long that I've grown.这里because后面的成分在整个句子中作的成分是什么? 翻译.I feel I wouldn't be able to ride a bike had i lost heart . -Will he ____ come next month -I don't know so A be able B can C be able to D is able to I .make new friends since i moved here.A.can't B.couldn't C.haven't been able to.D'm not able to请帮我选正确答案以及原因 i don't konw (w ) i will be able to come or not I don't know if I'll be able to come.