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108
B
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III
Following instructions and understanding rules
Practice what you are learning
Activity 8
Complete
the following sentences using the correct modal verb.
Completa las siguientes oraciones colocando el verbo modal correcto sobre las líneas.
Example:
She looks pretty sick. I think she
should
go to a doctor.
can
should
1. You ____________ smoke so much. It’s bad for your health.
can’t
shouldn’t
2. Hey I’m lost. ___________ you help me?
Should
Can
3. You have such a beautiful voice. You ___________ sing for us!
should
can
4. I know he speaks five languages, but ___________ he speak Arabic?
should
can
5. I ___________ believe that you failed your test!
can’t
shouldn’t
6. I ___________ afford that.
shouldn’t
can’t
Check your answers in the Answer Key.
Comprueba tus respuestas en la Clave de Respuestas.
Must
: “Must” has two functions. First it expresses a strong belief. This belief is not
based on fact, but rather on logic. Second, it expresses an obligation.
The negative of must is
“must not”
or the contraction
“mustn’t”.
Example: My keys must be around here somewhere.
In this example “
must
” expresses a strong belief that is based on logic.
Example: I must climb Popocatepetl.