Unit 8. Past Modal Verbs of Obligation | Baamboozle - Baamboozle

English 12 Public

grammar review

Study Slideshow

Did the Incas ________ build bridges out of stones?

had

had to

have to

have

15

The Incas ___________ carry water.

didn't had to

didn't have to

hadn't have to

haven't have to

15

The ancient Chinese army _________ use kites to signal.

had

have

had to

have to

15

What did the ancient Chinese _________ do to invent printing?

have

have to

had

had to

15

The ancient Romans had ____ invent central heating because it was very cold.

had to

to

have to

none

15

The Incas had to _______ careful when they crossed bridges.

was

none

be

been

15

____ the Incas _______ develop technology to improve their lives?

Do - had to

Did - have to

Did - had to

Do - have to

15

The Incas didn't write, so they _______ develop other ways to communicate.

have

had

have to

had to

15

They ___________ learn lots of different languages.

hadn't had to

didn't had to

don't have to

didn't have to

15

What ____ they ___________ do when they needed new things?

do - have to

did - had to

did - have to

had - have to

15

They ________ trade the things they needed.

have had

had

have to

had to

15

They used lamas and donkeys so they _________ carry heavy objects.

don't have to

hadn't had to

didn't have to

15