try doing/to do,go on doing/to do

8.6 try doing/to do
　try to do　　努力，企图做某事。
　try doing　 试验，试着做某事。
You must try to be more careful.
　你可要多加小心。
I tried gardening but didn’t succeed. www.34en.com
我试着种果木花卉，但未成功
8.7 go on doing/to do
go on to do　做了一件事后，接着做另一件事。
go on doing　 继续做原来做的事。
　 After he had finished his maths，he went on to do his physics.
　 做完数学后，他接着去做物理。
　 Go on doing the other exercise after you have finished this one.
　 作完这个练习后，接着做其他的练习