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
he can think
we can think
you can think
they can think 	I can be thinking
you can be thinking
he can be thinking
we can be thinking
you can be thinking
they can be thinking	I can have thought
you can have thought
he 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
he 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 can't think
you can't think
he can't think
we can't think
you can't think
they can't think 	I can't be thinking
you can't be thinking
he can't be thinking
we can't be thinking
you can't be thinking
they can't be thinking	I can't have thought
you can't have thought
he can't have thought
we can't have thought
you can't have thought
they can't have thought	I can't have been thinking
you can't have been thinking
he can't have been thinking
we can't have been thinking
you can't have been thinking
they can't have been thinking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I think?
can you think?
can he think?
can we think?
can you think?
can they think? 	can I be thinking?
can you be thinking?
can he be thinking?
can we be thinking?
can you be thinking?
can they be thinking? 	can I have thought?
can you have thought?
can he 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 he 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't I think?
can't you think?
can't he think?
can't we think?
can't you think?
can't they think? 	can't I be thinking?
can't you be thinking?
can't he be thinking?
can't we be thinking?
can't you be thinking?
can't they be thinking? 	can't I have thought?
can't you have thought?
can't he have thought?
can't we have thought?
can't you have thought?
can't they have thought? 	can't I have been thinking?
can't you have been thinking?
can't he have been thinking?
can't we have been thinking?
can't you have been thinking?
can't they have been thinking?