2017-2018学年 牛津版 选修6 Unit 3 Understanding each other-Grammar课件(29张PPT)
2017-2018学年 牛津版 选修6 Unit 3 Understanding each other-Grammar课件(29张PPT)第5页

If it were the end of the world today,I would stay with my family members to enjoy the last moment. If I had a magic brush, I could paint the earth green.

Find the rule

Opposite to the present truth

did/were

would/could/ might/should