Question: How Can I Express My Past Possibility In English?

Can and could grammar?

Can, like could and would, is used to ask a polite question, but can is only used to ask permission to do or say something (“Can I borrow your car?” “Can I get you something to drink?”).

Could is the past tense of can, but it also has uses apart from that–and that is where the confusion lies..

What is grammatical ability?

Grammatical ability refers to knowing how grammar is used in communication. … Grammatical competence: the knowledge of grammar, lexis, morphology, syntax, semantics and morphology. Sociolinguistic competence: the knowledge of the sociocultural rules of language and rules of discourse.

Which model is used for possibility?

In English, there are three main modals of possibility: may, might, and could.

What is a perfect infinitive?

The perfect infinitive has the following structure: (to) have + past participle. Examples are: to have missed, to have written, to have worked, to have left etc. … The perfect infinitive is often used after the modal auxiliary verbs could, would, might, ought, should and needn’t to talk about unreal situations.

Can Past possibility?

“Could” is a modal verb used to express possibility or past ability as well as to make suggestions and requests. “Could” is also commonly used in conditional sentences as the conditional form of “can.”

What is expressing possibility?

Possibility can be expressed in legislation using verb forms such as can, could, may and might, and expressions that include the words possible and likely and their variants.

What is the grammar definition?

English Language Learners Definition of grammar : the set of rules that explain how words are used in a language. : speech or writing judged by how well it follows the rules of grammar. : a book that explains the grammar rules of a language.

Is must have past tense?

The modal verb must has two past tense forms: had to and must have. When expressing obligation, the past of must and have to is always had to: … I had to wash my car yesterday .

Where we use have had?

In the present perfect, the auxiliary verb is always have (for I, you, we, they) or has (for he, she, it). In the past perfect, the auxiliary verb is always had. We use have had in the present perfect when the main verb is also “have”: I’m not feeling well.

How do you express possibility in the past?

must have been, can’t have gone, couldn’t have gone, etc. We use must have to express that we feel sure that something was true in the past. They must have left early.

Can have been?

While Can’t Have (Been) is used to refer to an incident in the near past, Couldn’t Have (Been) is used for an event that happened way back in the past. When it comes to modal verbs — the verbs that express necessity or possibility — many learners find them rather confusing.

Would sentences examples in English?

Would sentence examplesWould you like to read his speech? … That would be the best way. … How long would these mind games go on? … His father hoped that Daniel would grow up to be a wise and famous man. … He was in trouble because his scholars would not study. … Would you like it again?More items…

Can as a possibility?

“Can” is one of the most commonly used modal verbs in English. It can be used to express ability or opportunity, to request or offer permission, and to show possibility or impossibility.

Can could tenses?

Can is called a modal verb. It doesn’t have all of the tenses that verbs usually have. It has the simple past tense could, but no past participle. When a past participle is needed, the expression be able to is used instead.

Can or Cannot sentences?

We use Can when we have the ability, time or will to do something. For example: I can play the guitar. … We use Cannot (or Can’t) when we don’t have the ability, the time or the will to do something. For example: I cannot sing.

Can future possibility?

Could, may or might convey the idea of future possibility. Of these, may expresses a stronger degree of certainty that an event will occur. For example: … To convey the idea that a future event will possibly not take place, use may not or might not.

Can past ability examples?

We usually use could or couldn’t to talk about general abilities in the past. She could paint before she started school. I couldn’t cook until I went to university. When I lived next to the pool, I could go swimming every day.

How can I express my English skills?

AbilityShe can speak several languages. He can swim like a fish. They can’t dance very well. … I can see you. Help! I can’t breathe. … She could speak several languages. I couldn’t see you. Ability: can and could 1. … She could have learned Swahili, but she didn’t want to. I could have danced all night. [ but I didn’t]

What tense is must have been?

past tenseMUST BE is present tense, MUST HAVE BEEN is past tense.

Could to express possibility examples?

Could (Modals)Possibility You could cause an accident driving like that.Past ability Sarah could dance like a professional at the age of six.Suggestion We could go to dinner after the movie.Request Could I leave early today?Conditional If you’re not working tomorrow, we could go on a picnic.

What is difference between possibility and probability?

“Possibility” means something may happen, but we don’t know how likely. “Probability” means something may happen, but we believe it is more likely (i.e., more “probable”) than not.