Using Can and Be Able to to Speak About Abilities

Can and Be able to are both used to speak about abilities, and the possibility of doing something. Can and Be able to are known as modal verbs in English. Here are some examples of can and be able to used to speak about abilities. Can for Abilities She can play tennis.They could speak English at a very young age.Peter can type 100 words per minute. Be Able to for Abilities My sister is able to run a marathon.The students were able to get an A on the test.We will be able to attend the class next semester. Here are examples of the two forms to speak about possibilities. Can for Possibilities Can you come to the party next week?Do you think he can help with my homework?Peter told me he could pick you up at the airport. Be Able to for Possibilities We werent able to get tickets to the concert.Shell be able to study for the test tomorrow.Jack wont be able to come for another three days. Listed below are examples and explanations for can/could/be able to for ability and permission in the past, present. and future. Examples Usage He can play tennis well.She is able to speak five languages.They can come on Friday.Jack will be able to come next week. Use can or be able to to express an ability or possibilityNOTE: The future of be able to is will be able to He could swim when he was five. Could in the past means the general ability to do something. They were able to get tickets for the concert.I was able to finish before 6.I couldnt come last night, sorry. OR I wasnt able to come last night, sorry. IMPORTANT: If someone was in the position to do something, or managed to do something, we use was/were able to instead of couldIn the negative, wasnt able to OR couldnt are both correct. Note: Can is also often used to ask for permission, as well as may: Can I come with you? May I come with you? Practice Can/Be Able To Practice can and be able to with this role play. Once youve finished, make up some of your own dialogues and practice with a classmate or a friend.   Peter: Hi Janet. Can you help me for a moment?Janet: Sure, whats up? Peter: Im not able to understand this math problem.  Janet: Really. I think I can help, but Im not that good at math. Peter: You were able to all the problems last semester, werent you?Janet: Yes, thats right, but I cant do everything. Let me see.   Peter: Here you go.Janet: Interesting, are you sure youre not able to do this? Peter: Yes, thats why Im asking for help!Janet: OK. After I explain this, youll be able to do without any problems. Peter: Great. So whats the answer?!Janet: Dont be in a hurry. Can I have a few minutes to think? Peter: Of course you can. Sorry.  Janet: No problem.