Grammatica > Verbi > Verbi modali > Dovere
Have to di usa:
Alla forma Affermativa
Have to/don’t (doesn’t) have to sostituisce must nei tempi e nei modi in cui must non è grammaticalmente possibile.
- Parlare di un obbligo che ci è stato imposto: My boss says I have to be on duty on Sunday, too.
- Dire a qualcuno che cosa deve fare (è un altro ad imporlo): Mum says I have to find a job.
- Dire che le circostanze rendono necessario fare qualcosa: We have to get up early. The train is 6 a.m.
Alla forma Negativa
- Dire che non è necessario fare qualcosa con la forma negativa di have to: We don't have to overtime.
Have to Present tense | |||||||
Forma Affermativa | Forma Negativa | Forma Interrogativa | |||||
Intera | Contratta | Interrogativa | Interrogativa negativa | ||||
I have to go | I do not have go | I don't have to go | Do I have to go? | Don't I have to go? | |||
You have to go | You do not have go | You don't have to go | Do you have to go? | Don't you have to go? | |||
He has to go | He do not have go | He doesn't have to go | Does he have to go? | Doesn't he have to go? | |||
She has to go | She do not have go | She doesn't have to go | Does she have to go? | Doesn't she have to go? | |||
It has to go | It do not have go | It doesn't have to go | Does it have to go? | Doesn't it have to go? | |||
We have to go | We do not have go | We don't have to go | Do we have to go? | Don't we have to go? | |||
You have to go | You do not have go | You don't have to go | Do you have to go? | Don't you have to go? | |||
They have to go | They do not have go | They don't have to go | Do they have to go? | Don't they have to go? | |||
Risposte Brevi | |||||||
Yes, + soggetto + do/does Yes, I/you/we/they do Yes, he/she/it does | |||||||
No, + soggetto + do not/does not (don't/doesn't) No, I/you//we/they don't No, he/she/it doesn't |