can intern
Verbo regular: intern - interned- interned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can intern
you can intern
he can intern
we can intern
you can intern
they can intern 	I can be interning
you can be interning
he can be interning
we can be interning
you can be interning
they can be interning	I can have interned
you can have interned
he can have interned
we can have interned
you can have interned
they can have interned	I can have been interning
you can have been interning
he can have been interning
we can have been interning
you can have been interning
they can have been interning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot intern
you cannot intern
he cannot intern
we cannot intern
you cannot intern
they cannot intern 	I cannot be interning
you cannot be interning
he cannot be interning
we cannot be interning
you cannot be interning
they cannot be interning	I cannot have interned
you cannot have interned
he cannot have interned
we cannot have interned
you cannot have interned
they cannot have interned	I cannot have been interning
you cannot have been interning
he cannot have been interning
we cannot have been interning
you cannot have been interning
they cannot have been interning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I intern?
can you intern?
can he intern?
can we intern?
can you intern?
can they intern? 	can I be interning?
can you be interning?
can he be interning?
can we be interning?
can you be interning?
can they be interning? 	can I have interned?
can you have interned?
can he have interned?
can we have interned?
can you have interned?
can they have interned? 	can I have been interning?
can you have been interning?
can he have been interning?
can we have been interning?
can you have been interning?
can they have been interning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not intern?
can you not intern?
can he not intern?
can we not intern?
can you not intern?
can they not intern? 	can I not be interning?
can you not be interning?
can he not be interning?
can we not be interning?
can you not be interning?
can they not be interning? 	can I not have interned?
can you not have interned?
can he not have interned?
can we not have interned?
can you not have interned?
can they not have interned? 	can I not have been interning?
can you not have been interning?
can he not have been interning?
can we not have been interning?
can you not have been interning?
can they not have been interning?