can square
Verbo regular: square - squared- squared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can square
you can square
he can square
we can square
you can square
they can square 	I can be squaring
you can be squaring
he can be squaring
we can be squaring
you can be squaring
they can be squaring	I can have squared
you can have squared
he can have squared
we can have squared
you can have squared
they can have squared	I can have been squaring
you can have been squaring
he can have been squaring
we can have been squaring
you can have been squaring
they can have been squaring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't square
you can't square
he can't square
we can't square
you can't square
they can't square 	I can't be squaring
you can't be squaring
he can't be squaring
we can't be squaring
you can't be squaring
they can't be squaring	I can't have squared
you can't have squared
he can't have squared
we can't have squared
you can't have squared
they can't have squared	I can't have been squaring
you can't have been squaring
he can't have been squaring
we can't have been squaring
you can't have been squaring
they can't have been squaring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I square?
can you square?
can he square?
can we square?
can you square?
can they square? 	can I be squaring?
can you be squaring?
can he be squaring?
can we be squaring?
can you be squaring?
can they be squaring? 	can I have squared?
can you have squared?
can he have squared?
can we have squared?
can you have squared?
can they have squared? 	can I have been squaring?
can you have been squaring?
can he have been squaring?
can we have been squaring?
can you have been squaring?
can they have been squaring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I square?
can't you square?
can't he square?
can't we square?
can't you square?
can't they square? 	can't I be squaring?
can't you be squaring?
can't he be squaring?
can't we be squaring?
can't you be squaring?
can't they be squaring? 	can't I have squared?
can't you have squared?
can't he have squared?
can't we have squared?
can't you have squared?
can't they have squared? 	can't I have been squaring?
can't you have been squaring?
can't he have been squaring?
can't we have been squaring?
can't you have been squaring?
can't they have been squaring?