1.Great changes have taken place in China In the past ten years.
2.I have just eaten two apples.
3.Li Gang has written three novels since 2006.
4.I have done two part-time jobs.
5.I have had a job interview today.
6.My father has been to Beijing twice.
7.The manager has just left.If only you had come a little earlier.
8.I have just come back from France
9.It can't be John.He has gone to town.
10.I have learnt/learned English for 11 years.
以上全是动词的不规则的形式,要写出它们的原形、过去式、过去分词吗?你可以在课本上的附件里查到的.