Introduction to Italian/Lesson 11

Can and must are covered in this section.

PotereEdit

The infinitive potere is an irregular verb meaning can or may. Technically it is an auxiliary verb and so must be paired with an infinitive. Per esempio:
Io posso mangiare una foccacina se ho voglia (I can eat a scone if I want to).
Potere is, as previously stated, and irregular verb. Here is a conjugation chart:

Complete Word
Infinitive potere
First Person posso
Second Person puoi
Third Person può
First Person
(Plural)
possiamo
Second Person
(Plural)
potete
Third Person
(Plural)
possono

DovereEdit

Dovere is an irregular verb meaning must or have (have as in I have to...). Like potere it is an auxiliary verb used with an infinitive:
Io devo mangiare una foccacina (I must eat a scone)
Io devo prendere del tè con la mia foccacina (I must have some tea with my scone)
Here is the conjugation chart for dovere:

Complete Word
Infinitive dovere
First Person devo or debbo
Second Person devi
Third Person deve
First Person
(Plural)
dobbiamo
Second Person
(Plural)
dovete
Third Person
(Plural)
devono or debbono

NB. When dovere is used in a conditional tense it means should or should have.