There is / was

(+) There is / was+ a/an + N số ít

(-) There isn’t / wasn't+ a/an + N số ít

(?) Is / Was there + a/an + N số ít?

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Cột bên trái: 

1. Yesterday there was a car but there wasn't a bus.

2. Yesterday there was a bicycle but there wasn't a motorbike.

3. Yesterday there was a ship but there wasn't a boat. 

Cột bên phải:

1. Today there is a boat but there isn't a ship.

2. Today there is a helicopter but there isn't a plane.

3. Today there is a bus but there isn't a car.

4. Today there is a motorbike but there isn't a bicycle.

`color{orange}{~MiaMB~}`