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Unit VII

MATERIALS SCIENCE

Language Work Modal Verbs

Modal Verbs of Probability

must

He must be in the lab = very probable that he is in the lab

95 % sure

could

might

He could be in the lab/ He might be in the lab = possible, but less probable

45 % sure

can’t

He can’t be in the lab = very probable that he is not in the lab

95 % sure

Modal Verbs of Obligation

have to

must

should

I/you/we/they/he/she

must/mustn’t

should/shouldn’t

work hard

I/you/we/they

have to

don’t have to

he/she

has to

doesn’t have to

do

I/ you/ we/they

have to work hard?

does

he/she

Modal Verbs of Ability

can

to be able to

I/you/we/they/he/she

can

fix this device

I

am able to

he/she

is able to

we/they/you

are able to

Modal Verbs

Present

Past

Future

Equivalent

can

to be able to …

can

am/is/are able to …

could

was/were able to …

will be able to …

may

to be allowed to …

may

am/is/are allowed to…

might

was/were allowed to...

-------

will be allowed to…

must/have to

be to

must/have/has to …

am/is/are to …

had to …

was/were to …

will have to…

1. Fill in the table.

Noun

Verb

Adjective

Adverb

Translation

Transcription

powerful

fusion

[′fju:Zqn],(n)

join

соединять

safe

attach

widespread

широко распространённый

[′waIdspred],

(adj)

location

stiff

transformer

currently

extract

извлекать

ductile

ковкий

[′dAktaIl],(adj)

corrosion

resistant

valuable

[′vxljuqbql] (adj)

improve

alloy

сплавлять

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