material_grammar

Unit 17 :
How long have you…?
現在完成式2

Elementary

Summary

Present Perfect Tense 2

material icon

Grammar Focus

1.Amy is on vacation in Brazil.

2.She is there now.

3.My sister has never traveled by plane.

4.I’ve never ridden a horse.

5.“Who is that man?” “I don’t know. I’ve never seen him before.”

material icon

Let’s Compare!