4 Two of my friends can play guitar (ability) MODAL VERBSI. DEFINITIONA modal verb is a type of auxiliary verb that is used to indicate modality-that is likelihood, ability, permission, possiblity,...Two of my friends can play guitar (ability)
5 MODAL VERBS LIST OF MODAL VERBS Can Could Must Should These all can be called MODALS
6 Subject Modal verb Main verb Complement I We They You He She It must II. STRUCTURESubjectModal verbMain verbComplementIWeTheyYouHeSheItmustcanshouldgoto sleep.drinksome water.eatsome food.dosome exercise.Use the basic form or INFINITIVE of the main verbs after the modal verbs.
7 MODAL VERBSa. Modal verbs do not add s or es to the third person singular.He can swim.He cans swim.
8 MODAL VERBSb. Modal verbs don’t need auxiliaries to form negative and question.Exp : She should stay.She doesn’t should stay.→ She shouldn’t stay.→ Why should she stay?Why does she stay?c. Modal verbs don’t have infinitives or –ing formsExp: canning to should
9 MODAL VERBS CAN HOW TO USE Use Example Ability / Possibility They can control their own work.Impossibility We can’t fix it.Asking for permission Can I bring the food to the party?Request Can you help me?
10 MODAL VERBS COULD Use Example permission Could I borrow your dictionary?request Could you say it again more slowly?possibility I think we could have another tea..ability He gave up his old job so he couldwork for us.
11 MODAL VERBS MUST Use Example obligation You must obey the law things necessarry to do We must go now.strong recommendation You must see The Hobbit!.
12 MODAL VERBS prohibition You mustn’t break the law. MUSTN’T Use Exampleprohibition You mustn’t break the law..
13 MODAL VERBS SHOULD III. USAGE Use ExampleSaying what’s right or correct (advice) We should solve this problem.Possibility Fees should decrease next year.
14 MODAL VERBS SHOULDN’T III. USAGE Use ExampleSaying what’s wrong or incorrect (advice) We shouldn’t solve this problem without consulting it with the boss first.
16 WE USE BE ABLE TO IN DIFFERENT TENSES NORMAL VERBSBE ABLE TOUse Exampleability I’m able to dance.possibility Will you be able to come to the party?WE USE BE ABLE TO IN DIFFERENT TENSES.
17 WE USE HAVE TO IN DIFFERENT TENSES NORMAL VERBSHAVE TOUse Exampleobligation You have to come to work on time.things necessary to do You have to decide on the new logo.strong recommendations You have to see The Hobbit!.WE USE HAVE TO IN DIFFERENT TENSES
18 NORMAL VERBS DON’T HAVE TO Use Exampleno obligation You don’thave to come to the party if you don’t want to..
19 COMPARE MUST AND HAVE TO III. USAGE Use Exampleobligation You must/have to obey the law.things necessary to do You must/have to go now.Strong recommendation You must/have to see The Hobbit!
20 MUSTN’T AND DON’T HAVE TO COMPAREIII. USAGEMUSTN’T AND DON’T HAVE TOUse Exampleprohibition use MUSTN’T You mustn’t park here (or You can’t park here/ You’re not allowed to park here)things not necessary to do HAVE TO You don’t have to do this exercise. (you can if you want to BUT you don’t have to)
21 NO MUST IN THE PAST MUST AND HAVE TO !!! PAY ATTENTION Use ExampleNEVER USE MUST IN THE PAST You must/have to do your job past > You had to do your job.