modal verbs (grammar)

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MODAL VERBS ABILITY COULD ( past): sabía, podía CAN ( present): sé, puedo *BE ABLE TO ( past, present, future): saber, poder PROBABILITY MUST : 100 % TRUE, POSSIBLE. ( debe) ( WILL 100%) (CAN 80%) MAY : 75 % POSSIBLE ( puede que) MIGHT : 60% POSSIBLE ( podría) (COULD 45% POSSIBLE) CAN´T : 100% IMPOSSIBLE ( no puede) SUGGESTIONS CAN: COULD SHALL ( offer to do a favour + suggestion) ASK A FAVOUR, PERMISSION CAN : informal COULD : + polite Proyectoespiritusanto.blogspot.com

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Page 1: Modal verbs (grammar)

MODAL VERBS

ABILITYCOULD ( past): sabía, podía

CAN ( present): sé, puedo

*BE ABLE TO ( past, present, future): saber, poder

PROBABILITYMUST: 100 % TRUE, POSSIBLE. ( debe)

( WILL 100%)

(CAN 80%)

MAY : 75 % POSSIBLE ( puede que)

MIGHT: 60% POSSIBLE ( podría)

(COULD 45% POSSIBLE)

CAN´T: 100% IMPOSSIBLE ( no puede)

SUGGESTIONSCAN:

COULD

SHALL ( offer to do a favour + suggestion)

ASK A FAVOUR, PERMISSIONCAN: informal

COULD: + polite

MAY: + polite

WOULD: ++ polite

Proyectoespiritusanto.blogspot.com

Page 2: Modal verbs (grammar)

PROHIBITIONMUSTN´T: (no debes, está prohibido)

CAN/CAN´T: usados para permiso, esté permitido o no.

OFFERS/ INVITATIONSWOULD: ía…would you like: te gustaría…

SHALL

OBLIGATION/ NECESSITYMUST ( present), ley o autoridad.

*HAVE TO ( past, present, future)

*NEED TO

SHOULD/ OUGHT TO: moral obligation

LACK OF OBLIGATIONDON´T HAVE TO

NEEDN´T ( don´t need to)

ADVICE/ OPINIONSHOULD: + frequent

OUGHT TO: more common in+ sentences, rare in – and ?

*No son modales

Proyectoespiritusanto.blogspot.com

Page 3: Modal verbs (grammar)

MODAL PERFECTS

SHOULD/ OUGHT TO HAVE + PPO

Crítica ante un hecho pasado

You should have phoned me ( pero no lo hiciste)

SHOULDN´T HAVE + PPO

Crítica ante un hecho que no tenía que haber sucedido

You shouldn´t have cheated in the exam (por qué lo hiciste)

MUST HAVE + PPO

Certeza de que algo ha ocurrido.

She is very happy. She must have passed the exam ( estoy segura)

MAY/ MIGHT HAVE + PPO

Suposición sobre lo ocurrido.

Paul might have failed the exam ( no sé, no se ve muy contento)

COULD HAVE + PPO

Habilidad para haber hecho algo que no se hizo.

You could have come to the party ( pero no quisiste)

COULDN´T HAVE + PPO

Certeza de que algo no pudo haber ocurrido.

Proyectoespiritusanto.blogspot.com

Page 4: Modal verbs (grammar)

She couldn´t have stolen the bike ( no es posible que lo haya hecho)

NEEDN´T HAVE + PPO

Acción pasada innecesaria.

You needn´t have made that cake ( lo podría haber hecho yo)

Proyectoespiritusanto.blogspot.com