Building sentences:

1. You/think /robot teachers / will replace/ human teachers/ 20 years ?

2. There / two chairs / front / the fridge

3. We / won't have / wait / a long / time / these super / smartphones

4. It / rain / two hours / yesterday

5. She / live / Le Loi street / with / parents

`1` Do you think robot teachers will replace human teachers in `20` years `?`

`-` in `20` years : DHNB thì tương lai đơn .

`->` Form : S + will + V-inf + O .

`2` There are two chairs in front of the fridge .

`-` Hiện tại đơn : S + be + O .

`-` in front of : trước mặt .

`3` We won't have to wait a long time for these super smartphones .

`-` S + have + to V + O : Ai đó phải làm gì .

`-` Tương lai đơn : S + won't + V-inf + O .

`4` It rained for two hours yesterday .

`-` yesterday : DHNB thì quá khứ đơn .

`->` Form : S + V(quá khứ) + O .

`5` She lives on Le Loi street with her parents .

`-` Hành động thường xảy ra ở hiện tại .

`->` Hiện tại đơn : S + V(s,es) + O .