6. Now　 you was free , why not go swimming with us ?

5. He was　 not　 the man that he was before .

4. The fact that she works hard is well known to us all .

3. The mountain is no longer what it used to be .

2.The question he asked was where the electrical equipment should be stored　 .

1. It depends on whether we have enough time .

10. She sings　 songs　 as if　 she is a bird .

答案：1. can 改为could 2.去掉so 3.will come改为 comes 4. very改为 so 5.as soon as 改为when 6.was 改为is 7.than 之后加上that of　 8.than　 后加 those in　 9.whatever改为 wherever 10. is改为 were

9.Whatever there is plenty of sun and rain , the fields are green .

8.The streets in Nanjing are wider than Shanghai .

7.The playground of our school is larger than their school .