Structures: Must, might, could and can’t for making inferences

Target language: Whose volleyball is this?

It must be Carla’s. She loves volleyball.

It could be Ted’s.

Vocabulary: picnic, chase, escape, belong to, toy car, plate, mystery, appointment, worried, wake, neighbor, garbage

Learning strategies: Sequencing, Deducing

must
certainty

1. That must be Jerry. They said he was tall with bright red hair.

2. That must have been the right restaurant. There are no other restaurants on this street.

3. NO FUTURE FORM

1. That must not be Jerry. He is supposed to have red hair.

2. That must not have been the right restaurant. I guess there is another one around here somewhere.

3. NO FUTURE FORM

have to

Tapescript

Girl 1: Whose volley ball is this?

Boy 1: It must be Carla’s. She loves volley ball.

Girl 2: Oh, that toy car must belong to Jane’s little brother. He was the only little kid at the picnic. And the magazine must belong to Dengwen. He loves cats.

Boy 1: Oh, and look, someone left a book.

Girl 2: Oh, yeah… This book must be Mary’s. Hemingway is her favorite author.

Girl 1: OK… and how about this CD?

Girl 2: Hmmmm… The CD must belong to Grace. She always listens to classical music.