请问“……before he gets back”中介词后为什么不是动名词?多谢.

请问“……before he gets back”中介词后为什么不是动名词?多谢. he _____fatter than before.是填gets还是is 请问it be…before…的句型用法…比如说it was 3 years before he … fred is afraid of fiying.he feels a anixous before he gets on the plane是什么意思 请问此题：He‘s always（ ）all his money before he gets his next month’s pay为什么括号内要填running out of 而不是ran out of.请讲明白一点. He gets 100% ____the English test 请问在这里He gets 100% ____the English test.应该填什么? he seldon gets up before 10 o'clock.Really?what about his b____?he n___ has it at the weekend. (1/2)When may a man be said to have breakfast before he gets up?when he Fred is afraid of flying.He ____(feel)anxious before he gets on the plane说明原因 Fred is afraid of flying.He feels（ ）before he gets on the plane .anxious和worried选哪一个为什么 he gets his hats 新概念英语里的一句话:He had found that five whisky bottles which the ghost must have drunk the night before.请问 其中的“before”是什么用法.以前学过,现在忘了…… Jack is happy when he gets many birthday presents_____ _____Jack when he gets many birthday presents请问是how is还是how does? 请问after和before后面的动词要用ing吗?比如after he leaving 或before he leaving He is _____ ______ maths,and does _____ _____ English.She never gets up before 9:00,so we call her a l_______ girl. He never gets up early before you on a Sunday morning意思 语法Before有什么意思 什么语法 他在周末从来没比我晚起过 排序1 no,this is Bob……1 no,this is Bob.2 OK,I'll tell him. Anything else?3 No problem. but does he have your number?4 I'll make sure he gets it.5 Yes,can he call me bake when he gets the bag?6 I think so. Thanks a lot.7 Hollo,May?8 Tell him th when （ ）he get home on Friday He gets home at fwhen （ ）he get home on Friday He gets home at four on friday A :do B :does C :did summer （ ）spring A :comes after B :comes in C :comees before