2018学年度人教版选修8Unit5Meeting your ancestorsPeriod3Learning about language 教案设计(12页word版)
2018学年度人教版选修8Unit5Meeting your ancestorsPeriod3Learning about language 教案设计(12页word版)第3页

* We visited the museum yesterday. Past Progressive Past Action that took place over a period of time * They were climbing for twenty-seven days. Future With will/won't -- Activity or event that will or won't exist or happen in the future * I'll get up late tomorrow.

* I won't get up early. Present Perfect With verbs of state that begin in the past and lead up to and include the present