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Unit8ItmustbelongtoCarla.

GrammarFocus

4a-4cSectionB1a-1d

Oneday，Limingandhisfriendswereplayingontheplayingground,suddenlyhefoundaschooluniform.Buthedidntknowwhoseitbelongsto.CanyouhelpLimingtofindouttheowneroftheuniformaccordingtotheinformationandpictures？HerearethethingsandinformationLiminghasfoundfromtheuniform:

size:XXL

AnIdcard:15yearsold

dirty

Pleasemakeyourinference.

Itmustbe......

Itmight/could/maybe.....

Itcantbe.......

Whosevolleyballisthis?

ItmustbeCarla’s.Shelovesvolleyball.

Whosehairbandisthis?

ItcouldbeMei’shairband.OritmightbelongtoLinda.Theybothhavelonghair.

Whatdidyouseethatnight?

I’mnotsure,butitcan’tbeadog.Itwasbigger.Ithinkitmightbeabearorawolf.

Let’sread

2.—这是谁的发带？

—______________isthis?

—它可能是梅的发带。或者可能属于琳达。她们两人都是长头发。

—It_____beMei’shairband.Orit_____belongtoLinda.They____havelonghair.

could

might

both

Whosehairband

1.这是谁的排球?______________isthis?

这一定是卡拉的。她热爱排球运动。

It_____be_______.Shelovesvolleyball.

Whosevolleyball

mustCarla’s

What

notsure

can’tbe

mightbe

表示推测的情态动词

情态动词

用法

例句

must

表示很有把握的推测，意为“一定”，只用于肯定句。

Thelightison.Hemustbeathome.

could,may和might

表示不太有把握的推测，意为“可能”。

Thepencould/may/mightbeJoe’s.Isawitinhispencilcasejustnow.

can’t

表示很有把握的否定推测，意为“不可能”。

Thegirlinredcan’tbeHelen.ShehasgonetoAmerica.

Let’ssummarize

Look！Shemustberunningforexercise.

亨利可能是在做梦。

Henrycouldbedreaming.

1.A:Where’sJean?

B:I’mnotsure.She________(is/mightbe/mustbe)inthelaboratory.

mightbe

Let’spractice

2.A:Everyoneisgoingtothepoolafterschool.

B:Really?It_______(mustbe/can’tbe/couldbe)hotoutdoors.

mustbe

表示“位移”的动词用现在进行时态表将来，例如：go去，come来，leave离开，arrive到达，return回来，fly飞。

e.g.Iamcoming.=Iwillcome.

Heisle