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MODAL VERBS: can, must, have to, need to
Marta Rodríguez Gordo
Created on February 17, 2024
MODAL VERBS: can, must, have to, need to
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Transcript
Learning Situation 5
modal verbs
Empezar
Modal verbs
Auxiliary verbs
Main verbs
Some of them:
BE HAVE DO
DANCE READ WALK EAT etc.
CAN HAVE TO MUST NEED TO +
- Auxilian, ayudan a formar el tiempo verbal
- Tienen significado gramatical (pasado, 3ª persona singular, etc.)
- Expresan el MODO en el que la acción se realiza
- Nos muestran la MANERA, la FORMA, el MODO en el que se altera el significado del verbo principal
- Aportan significado de la acción
- Tienen sgdo propio
1- CAN
2- MUST
modal verbs
4- NEED TO
3- HAVE TO
CAN - FUNCTIONS
GENERAL TRUTHS Too much time in front of a screen can lead to vision issues.PERCEPTIONWhat can you see?CHARACTERISTIC BEHAVIOURHe can be so stupid! POSSIBILITYThe shop can be closed
ABILITY or CAPACITY in general I can swim.I can't play the guitar.PERMISSION Can I go to the toilet, please? You can stay out until 12 tonight.You can't go to the park until you finish your homework.OFFERSCan I help you with your bag?
CAN - FORMS
AFFIRMATIVE and NEGATIVE
INTERROGATIVE
MUST - FUNCTIONS
INTENTION (not real invitation)You must come over and visit us. The show must go on. EXPRESSIONSI must say. I must admit. RECOMMENDATIONYou must go to see a doctor.
OBLIGATION (present and future value)You must study hard. You must be quiet in the library. PROHIBITION (negative) You mustn't eat in class.LOGICAL CONCLUSION (affirmative) This must be a mistake.
MUST- FORMS
AFFIRMATIVE and NEGATIVE
INTERROGATIVE
HAVE TO- FUNCTIONS
In the case of necessity 'must' can also be used. However in the negative 'do not have to' means that it is not necessary but ‘must not’ means it is forbidden to do something. We do not have to finish this today. – It is not necessary. We must not finish this today. – It is forbidden.
CERTAINTYThis has to be the right place. That has to be Peter calling. Negative: That can't be Peter calling. NECESSITY The glue has to be left to dry for 24 hours.Present: We have to finish this today. Past: We had to finish that yesterday. Future: We will have to finish this tomorrow. OBLIGATIONI have to leave early.
HAVE TO- FORMS
AFFIRMATIVE and NEGATIVE
INTERROGATIVE
NEED TO - FUNCTIONS
DON'T NEED TO: negative NOT NECESSARY, BUT POSSIBLEYou don't need to come to the meeting next week. She doesn't need to worry about her grades. Peter doesn't need to worry about money because he's independently wealthy.
NECESSITY / SOMETHING IMPORTANT She needs to go to Seattle next week.Do you need to get up early tomorrow? I need to spend more time with my sister because I've been so busy lately.