CAN and COULD


Hey folks, I’m back with one more tips. Now I’ll talk about CAN and COULD, do you know how to use it? NO? OK, read this tips and practice a lot.

Can and could are modal verbs. They are used with other verbs to convey ideas such as possibility, permission, etc.

We use  can to:

talk about possibility and ability;

    Example: I can ride a horse. / He can speak three languages.

    make requests or give orders;

      Example: Can you buy me a can of beer. / Can you complete now what you are doing.

      ask for or give permission.

        Example: Can I come in now?

        Note: we may also use couldmay and might for permission.

        Points to note:

        We use can for the present. We also use it for the future when we decide we are able to do something.

        Example: We can go swimming tomorrow.

        We do not use can with infinitive verb.

          Example: We can play football today. NOT: We can to play football today.

          Sometimes it is necessary to use (beable to in place of can.

            Example: I can’t contact him. / I haven’t been able to contact him for two days. (It is not possible to use can with present perfect tense).

            Could is one of the modal verbs. We use could:

            as the past tense of can.

              Example: Jane said she could get the tickets for us .

              to show what was possible in the past.

                Example: He could cycle when he was four years old.

                to ask someone to do something.

                  Example: Could you buy some cigarettes for me?

                  to ask if someone is able or allowed to do something.

                    Example: My grandmother could speak Spanish. / Could I ask you a question?

                    Points to note:

                    Where the subject is singular, we do not add  –s to the verb

                      Example: He can swim. NOT: He can swims.

                      We use could for actions now or in the future.

                        Example: It’s a nice day. We could go for a walk.

                        Example: When I go to London next week, I could stay with my uncle.

                        Could is less sure than can, so we use could when we do not really mean what we say.

                        Example: I am so hungry. I could eat the whole chicken. (NOT: I can eat the whole chicken).

                        We use could do for now and could have for the past.

                          Example: I am so tired. I could sleep the whole day. (now)

                          Example: I was so tired. I could have slept the whole day. (past)

                          We use could with present perfect tense for things  which were possible to happen but didn’t or an event which we are not sure about.

                          Example: You could have taken a different route to avoid  the traffic jam.

                          Example: He could have broken the glass. She couldn’t  have broken the glass.

                          E ai meu povo, ficou fácil saber agora quando usar CAN e COULD, agora é só praticar e praticar e praticar.

                          Até a próxima

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