2018-2019学年外研版高一英语必修4教学课件:Module 6 Grammar
2018-2019学年外研版高一英语必修4教学课件:Module 6 Grammar第2页

1.Know the meaning of “modals + have done” . 2. Learn the usage of “modals + have done” such as “could have done” “might have done” “must have done” .

Learning aims