Evaluación de modals

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1- Read the article, underline the modals . Then put the verbs into the correct categories:

TV LITERACY

The average U.S. teenager might watch as many as 18,000 hours of TV by the time he or shegraduates. You may think that anyone who watches this match TV has got to understand how it works. However most of us (not just teenagers) can´t recognize many of the messages TV is sending. For thisreason, many experts think that everyone should become ¨TV literate¨. People who are television literate are able to understand how TV messages influence an audience. They don´t have to believeeverything they see on the tube. Here are some things you ought to know about television.
TV networks have to make money by selling time to advertisers. This fact influences all commercial TV. A dramawriter, for example, may avoid topics that could embarrass the advertiser sponsoring the program.
TV´s world is not real. This might sound obvious, but you ought to remind yourself often of this fact.After all, when you see something, you feel that it must be the real thing. You´ve got to remember that the cereal commercial uses white glue, not milk, so the cereal doesn´t get soggy the way it doesin real life.
TV uses specific techniques and you can learn to identify them. Lighting, camera angles and music have got the ability to make things seem beautiful, frightening, or funny. They canalso make you feel that you must buy a certain product.
Get literate, and you´ll be able to enjoy TV, without being its victim.

Put the underlined verbs into the correct categories:

AbilityAdvice Necessity
_______________ _______________ _______________

_______________ _______________ _______________

_______________ _______________ ______________________________ _______________

_______________ _______________

2- Put the correct modal verb in its correct form combined with the verb in brackets to make deductions....
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