7.3情态动词（三）课件.pdf

1607

7

•95

•4:((

•must:•can’t/couldn’t:

•will:•won’t:

•should:•shouldn’t:

•may:•maynot:

•might/could:•mightnot:

A:Whyisn’tJohninclass?

B:Heissick.

Hemustbesick.

Hemaybesick.

Hecould/mightbesick.

A:Therestaurantisalwaysempty.

B:Itisn’tgood.

Itcan’t/couldn’tbegood.

Itmaynotbegood.

Itmightnotbegood.

(not)+do

(not)+bedoing

1.

mustbeill

Helookspale,he______________.

2.

mustbeplaying

He________________basketballnow.

3.

can’t/couldn’t

Thehairband______________beBob’s.After

all,heisaboy!

-WhatareyougoingtodothisSunday?

-I’mnotsure,butI