1) What did we learn last class?  2) How many forms do we have in Present perfect? Name them ...  3) Which are the auxiliaries of Present perfect? 4) Which column of the list of verbs do we use in Present perfect?  5) When do we use Present perfect? 6) What is the topic of the unit?

Previous knowledge

由
列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?