finish的原形

原形是finish，意思是完成，例如：

1、The work was finished on time and within budget.工作按时完成且未超出预算。

2、He made a concentrated effort to finish the work on time.他全力以赴以按时完成这项工作。

3、Can you finish the work by five o'clock?你五点钟前能完成工作吗