can think
Verbo irregular: think - thought- thought

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can think
you can think
she can think
we can think
you can think
they can think 	I can be thinking
you can be thinking
she can be thinking
we can be thinking
you can be thinking
they can be thinking	I can have thought
you can have thought
she can have thought
we can have thought
you can have thought
they can have thought	I can have been thinking
you can have been thinking
she can have been thinking
we can have been thinking
you can have been thinking
they can have been thinking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot think
you cannot think
she cannot think
we cannot think
you cannot think
they cannot think 	I cannot be thinking
you cannot be thinking
she cannot be thinking
we cannot be thinking
you cannot be thinking
they cannot be thinking	I cannot have thought
you cannot have thought
she cannot have thought
we cannot have thought
you cannot have thought
they cannot have thought	I cannot have been thinking
you cannot have been thinking
she cannot have been thinking
we cannot have been thinking
you cannot have been thinking
they cannot have been thinking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I think?
can you think?
can she think?
can we think?
can you think?
can they think? 	can I be thinking?
can you be thinking?
can she be thinking?
can we be thinking?
can you be thinking?
can they be thinking? 	can I have thought?
can you have thought?
can she have thought?
can we have thought?
can you have thought?
can they have thought? 	can I have been thinking?
can you have been thinking?
can she have been thinking?
can we have been thinking?
can you have been thinking?
can they have been thinking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not think?
can you not think?
can she not think?
can we not think?
can you not think?
can they not think? 	can I not be thinking?
can you not be thinking?
can she not be thinking?
can we not be thinking?
can you not be thinking?
can they not be thinking? 	can I not have thought?
can you not have thought?
can she not have thought?
can we not have thought?
can you not have thought?
can they not have thought? 	can I not have been thinking?
can you not have been thinking?
can she not have been thinking?
can we not have been thinking?
can you not have been thinking?
can they not have been thinking?