① My mother was so frightened that shi couldn't move.
My mother was ( too ) frightened ( to ) move.
so that 句型用too.to代替啦
② I will go to bed after I finish my homework.
I ( won't ) go to bed ( until ) I finish my homework.
not.until直到.才
③ Miss Evans doesn't like chattinng on the Internet.Miss Brown doesn't,either.
( Neither ) Miss Evans ( nor ) Miss Brown ( likes )chatting on the Internet.
当两个都表示“不”的时候,就用Neither.nor