ESTRUCTURA
- Los modales van seguidos por un infinitivo sin “to”.
- No llevan –s en la tercera persona.
- Funcionan como auxiliares, así que no van acompañados de otros auxiliares en las oraciones negativas o interrogativas.
I can speak English (NOT: I can to speak English).
She can speak Spanish. (NOT: Shee cans speak Spanish).
I can’t speak Spanish (NOT: I don’t can speak Spanish).
ORACIONES NEGATIVAS:
SUJ + MODAL + NOT + INFINITIVO
You must not /mustn’t walk on the grass.
He cannot/can’t speak Arabic.
We should not / shouldn’t be late.
PREGUNTAS:
MODAL + SUJ + INFINITIVO
Can I have another piece of cake please?
Should I stay with her?
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