You should start studying if you want to pass. You shouldn’t work so late ? Should I be quiet? Ex: He shouldn’t have said those nasty things, he was very rude. + You should ask your boss for more money. Ex: I will be able to drive (it refers to the future) ADVICE Present form: modal + bare infinitive Past form: modal + have + past participle- Should /shouldn’t: to give an opinion or advice. In the future Ee can only use WILL BE ABLE TO. Everyone drowned except me, I was able to swim very quickly to a nearby island. Last year we went on a cruise and the boat sank. Compare the use of COULD and WAS ABLE TO in the following paragraph: When I was younger, I could swim very well. (-) I was not / wasn’t able to swim fast and save the dog (?) Was I able to save the dog. was / were able to: it refers to a particular occasion in the past (+) was able to swim fast and save the dog. Form: (+) I am able to stand on my head In the past: could : it refers to a general the past ability (+) When I was younger, I could swim really fast. (?) Can you speak good English? be able to: to express an ability that usually implies an added effort. (-) You can’t /cannot speak good English. ABILITY: In the present: can: to talk about an ability in the present. These types of verbs express an attitude to what we say and are always followed by an infinitive. Modal verbs function like auxiliaries as they are used with a lexical verb and in questions the modal appears before the subject of the sentence. ¡Descarga MODAL VERBS.Modal verbs function like auxiliaries as they are used y más Apuntes en PDF de Derecho solo en Docsity! MODAL VERBS.

Modal verbs exercises with answers doc