用所给单词适当形式填空1.she said she (not write)to her parents for a lo

1.she said she hadn't written to her parents for a long time.要用过去完成时态.
2He was made to sing a song for his small mistake.be made to do sth
3.We are looking forward to becoming volunteers.look forward to 后面接动词的ing 形式
4.By the time I got home,my parets were having supper.用过去进行时态.表示那个时候正在发生的动作

1.she said she hasnt written (not write)to her parents for a long time.
2He was made to sing (sing)a song for his small mistake.
3.We are looking forward to becoming (become) volunteers...

had not written
to sing
becoming
had had