Transcript Modal verbs - WordPress.com

Modal verbs
• Rules
– They are followed by a verb in the base form
• I can run very fast
– They are the same for all the pronouns
• She/they/I/ you could make it better
– They do not need auxiliars. They take direct
negative and qestion forms
• You can’t smoke here / Can you repeat that?
– They never combine with another modal verbs
• You can’t must read**
SHOULD AND MUST
Should is used for advices and recommendations
•You should read books in English if you want to improve your vocabulary
•She shouldn’t smoke because she is always coughing
•Where should we go next summer?
Must is used to talk about strong obligations and prohibitions.
They are usually related with laws and rules.
•I must go now , I start working in five minutes
•You must wear a helmet to drive a motorbike
•He mustn’t drink alcohol, he is underage
STRUCTURE
SUBJECT + SHOULD/MUST+ BASE FORM OF THE VERB (without to)
SUBJECT + SHOULDN’T/MUSTN’T + BASE FORM OF THE VERB
SHOULD/MUST + SUBJECT + BASE FORM?
HAVE TO / DON’T HAVE TO
Have to – something you need to do following a rule
•You have to clean your room everyday if you want to use the computer
•My sister has to eat some chocolate before going to bed
•Where do we have to buy the tickets for the concert?
Don’t have to – something which is not necessary
•I don’t have to go to school today, it’s Friday
•You don’t have to wear a long dress to go to the party
•He doesn’t have to buy me a present, it is not necessay
STRUCTURE
SUBJECT + HAVE/HAS TO + BASE FORM OF THE VERB (without to)
SUBJECT + DON’T /DOESN’T HAVE + BASE FORM OF THE VERB
DO/DOES + SUBJECT + HAVE + BASE FORM?
• MUST AND HAVE TO
I must study tonight / I have to study tonight
(sometimes it depends on the intention of the
speaker, or what he considers important, an
obligation)
• I have to find a job because I need to pay the
rent
• She doesn’t have to cook because she is not
going to eat a home
• http://www.eslgamesplus.com/must-cant-modalmoonshot/
• http://s.mound.free.fr/skyblues67/modals/mustn%2
7t.htm (what mustn’t you do at school?)
• http://www.english-grammarlessons.com/musthaveto/exercise7.swf (mustn’t and
don’t have to)
• http://www.ejerciciodeingles.com/ejercicios-verbosmodales-must-have-to-expresar-obligacion-rellenarhuecos/ (must and have to)
• http://www.englishgrammarsecrets.com/musthaveto
/exercise7.html (must and have to)
• http://www.better-english.com/easier/must2.htm
Other modal verbs
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Can
Could
Need to
Needn’t
Ought to
May / Might