can level
Verbo regular: level - levelled- levelled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can level
you can level
he can level
we can level
you can level
they can level 	I can be levelling
you can be levelling
he can be levelling
we can be levelling
you can be levelling
they can be levelling	I can have levelled
you can have levelled
he can have levelled
we can have levelled
you can have levelled
they can have levelled	I can have been levelling
you can have been levelling
he can have been levelling
we can have been levelling
you can have been levelling
they can have been levelling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't level
you can't level
he can't level
we can't level
you can't level
they can't level 	I can't be levelling
you can't be levelling
he can't be levelling
we can't be levelling
you can't be levelling
they can't be levelling	I can't have levelled
you can't have levelled
he can't have levelled
we can't have levelled
you can't have levelled
they can't have levelled	I can't have been levelling
you can't have been levelling
he can't have been levelling
we can't have been levelling
you can't have been levelling
they can't have been levelling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I level?
can you level?
can he level?
can we level?
can you level?
can they level? 	can I be levelling?
can you be levelling?
can he be levelling?
can we be levelling?
can you be levelling?
can they be levelling? 	can I have levelled?
can you have levelled?
can he have levelled?
can we have levelled?
can you have levelled?
can they have levelled? 	can I have been levelling?
can you have been levelling?
can he have been levelling?
can we have been levelling?
can you have been levelling?
can they have been levelling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I level?
can't you level?
can't he level?
can't we level?
can't you level?
can't they level? 	can't I be levelling?
can't you be levelling?
can't he be levelling?
can't we be levelling?
can't you be levelling?
can't they be levelling? 	can't I have levelled?
can't you have levelled?
can't he have levelled?
can't we have levelled?
can't you have levelled?
can't they have levelled? 	can't I have been levelling?
can't you have been levelling?
can't he have been levelling?
can't we have been levelling?
can't you have been levelling?
can't they have been levelling?