پرسش‌ها با دسته‌بندی (زبان انگلیسی => زبان انگلیسی => گرامر)

تفاوت این  جمله ها در معنی چیست؟  I saw him crossing the road  I saw him cross the road, @psilopsyadmin I heard him singing in his bath  I heard him sing at the concert, 

در جمله Under supervision, the student performs diagnostic testing in a functioning laboratory معنیش چی میشه و نقش under supervision چیه و چرا اول جمله اومده؟

We need ....... kilo of apples.

 ....... likes to play pinball at the arcade?

"___ I open the window? It's a bit warm in here."

"I ___ finish this project by tomorrow, or my boss will be upset."

به غیر از  not به چن روش میتونیم تو انگلیسی منفی کنیم ؟

I think my school friends wanted to help me through my cancer, but they eventually found out that they couldn't.

 He was wondering what ....... prompted him to take no notice at all.

سلام دوستان  فعل بعد از حرف اضافه  چطوری میاد ؟میشه مثال بزنید