can peek
Verbo regular: peek - peeked- peeked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can peek
you can peek
he can peek
we can peek
you can peek
they can peek 	I can be peeking
you can be peeking
he can be peeking
we can be peeking
you can be peeking
they can be peeking	I can have peeked
you can have peeked
he can have peeked
we can have peeked
you can have peeked
they can have peeked	I can have been peeking
you can have been peeking
he can have been peeking
we can have been peeking
you can have been peeking
they can have been peeking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot peek
you cannot peek
he cannot peek
we cannot peek
you cannot peek
they cannot peek 	I cannot be peeking
you cannot be peeking
he cannot be peeking
we cannot be peeking
you cannot be peeking
they cannot be peeking	I cannot have peeked
you cannot have peeked
he cannot have peeked
we cannot have peeked
you cannot have peeked
they cannot have peeked	I cannot have been peeking
you cannot have been peeking
he cannot have been peeking
we cannot have been peeking
you cannot have been peeking
they cannot have been peeking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I peek?
can you peek?
can he peek?
can we peek?
can you peek?
can they peek? 	can I be peeking?
can you be peeking?
can he be peeking?
can we be peeking?
can you be peeking?
can they be peeking? 	can I have peeked?
can you have peeked?
can he have peeked?
can we have peeked?
can you have peeked?
can they have peeked? 	can I have been peeking?
can you have been peeking?
can he have been peeking?
can we have been peeking?
can you have been peeking?
can they have been peeking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not peek?
can you not peek?
can he not peek?
can we not peek?
can you not peek?
can they not peek? 	can I not be peeking?
can you not be peeking?
can he not be peeking?
can we not be peeking?
can you not be peeking?
can they not be peeking? 	can I not have peeked?
can you not have peeked?
can he not have peeked?
can we not have peeked?
can you not have peeked?
can they not have peeked? 	can I not have been peeking?
can you not have been peeking?
can he not have been peeking?
can we not have been peeking?
can you not have been peeking?
can they not have been peeking?