HAVE TO/MUST=DOVERE
FORMA AFFERMATIVA SI USA PER DARE ORDINI A SE STESSI, PER REGOLE E OBBLIGHI SOGGETTO + MUST + VERBO ALLA FORMA BASE
I must you must he must she must it must we must you must they must
I must go to bed early Your suitcase must be 10 kg
FORMA NEGATIVA SI USA PER ESPRIMERE PROIBIZIONE O DIVIETI
SOGGETTO + MUSTN'T + VERBO ALLA FORMA BASE
I MUSTN'T YOU MUSTN'T HE MUSTN'T SHE MUSTN'T IT MUSTN'T WE MUSTN'T YOU MUSTN'T THEY MUSTN'T
You mustn't leave the school during the break
MUST è un VERBO MODALE
non si usano don't e doesn't
è seguito da un verbo alla forma base
Non cambia alla terza persona
MUST SI USA PER ESPRIMERE UN OBBLIGO SENTITO NECESSARIO DA CHI PARLA. HAVE TO SI USA PER ESPRIMERE UN OBBLIGO IMPOSTO DALL'ESTERNO
MUSTN'T SI USA PER DIRE CHE E' PROIBITO FARE QUALCOSA. HAVE TO SI USA PER DIRE CHE NON E' NECESSARIO FARE QUALCOSA MA SI PUO' FARE
FORMA INTERROGATIVA AL PAST SIMPLE e RISPOSTE BREVI
yes, I had no, I didn't
Did + soggetto + have to + forma base del verbo
Did I have to... Did you have to... Did he have to... Did she have to... Did it have to... Did we have to... Did you have to... Do they have to...
Did you have to go to school trip to paris last year ?
FORMA AFFERMATIVA AL PAST SIMPLE
soggetto + had to +verbo alla forma base
I had to you had to he had to she had to it had to we had to you had to they had to
I had to cook yesterday
FORMA NEGATIVA AL PAST SIMPLE
soggetto + did not + had to + verbo alla forma base
I didn't had to you didn't had to he didn't had to she didn't had to it didn't had to we didn't had to you didn't had to they didn't had to
I didn't had to go to school yesterday
FORMA AFFERMATIVA per indicare una necessità o un obbligo imposto dall'esterno riferita ad un tempo futuro o presente
soggetto + have to/has to + forma base del verbo
I have to you have to
I have to do lots of things at home You have to do the washing-up
He/she/it has to
He has to tidy his room She has to cooking The dog has to eat to live
We have to you have to they have to
We have to feed the dog You have to play football They have to study
FORMA NEGATIVA si usa quando non è necessario o obbligatorio fare qualcosa
soggetto + don't/doesn't + have to + verbo alla forma base
I don't have to You don't have to
I don't study today You don't have to clean the bathroom
he doesn't have to she doesn't have to it doesn't have to
He doesn't have to go to school tomorrow She doesn't have to play volleyball. It doesn't have to go out
we don't have to you don't have to they don't have to
We don't have to do the irooning you don't have to play the guitar they don't have to do the vacuuming
FORMA INTERROGATIVA e RISPOSTE BREVI
Do/does + soggetto + have to + forma base del verbo + ?
Do I have to... Do you have to...
Do you have to cook ?
Does he have to... Does she have to... Does it have to...
Does he have to clean ?
Do we have to... Do you have to... Do they have to
Do we have to go to school ?
Yes, I do Yes, he does
No, I don't No, he doesn't