English question - urgent

If you were doing a lot of works then you might be lack of time to catch up the afternoon routine bus.

If I didn't work hard enough to finish all these paper works, then it was a race against time.

If you could finish all these assignments then you might have spare time to play.

2012-09-02 05:29:00 補充：

Amendment; If I didn't work hard enough to finish all these paper works,then I must be a race against time.

eng.questions--urgent sentences:-

(1)If you're in a lack of time,then you're in a lack of self-confidence.

----Don't play all day,you're in a lack of time already.

(2)It is a race against time in taxi, because I was late for work.

(3)Do you have spare time for charity work?

圖片參考：http://imgcld.yimg.com/8/n/HA00526499/o/7012082800...

Ihope the solution can help you^^”