can seal
Verbo regular: seal - sealed- sealed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can seal
you can seal
he can seal
we can seal
you can seal
they can seal 	I can be sealing
you can be sealing
he can be sealing
we can be sealing
you can be sealing
they can be sealing	I can have sealed
you can have sealed
he can have sealed
we can have sealed
you can have sealed
they can have sealed	I can have been sealing
you can have been sealing
he can have been sealing
we can have been sealing
you can have been sealing
they can have been sealing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't seal
you can't seal
he can't seal
we can't seal
you can't seal
they can't seal 	I can't be sealing
you can't be sealing
he can't be sealing
we can't be sealing
you can't be sealing
they can't be sealing	I can't have sealed
you can't have sealed
he can't have sealed
we can't have sealed
you can't have sealed
they can't have sealed	I can't have been sealing
you can't have been sealing
he can't have been sealing
we can't have been sealing
you can't have been sealing
they can't have been sealing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I seal?
can you seal?
can he seal?
can we seal?
can you seal?
can they seal? 	can I be sealing?
can you be sealing?
can he be sealing?
can we be sealing?
can you be sealing?
can they be sealing? 	can I have sealed?
can you have sealed?
can he have sealed?
can we have sealed?
can you have sealed?
can they have sealed? 	can I have been sealing?
can you have been sealing?
can he have been sealing?
can we have been sealing?
can you have been sealing?
can they have been sealing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I seal?
can't you seal?
can't he seal?
can't we seal?
can't you seal?
can't they seal? 	can't I be sealing?
can't you be sealing?
can't he be sealing?
can't we be sealing?
can't you be sealing?
can't they be sealing? 	can't I have sealed?
can't you have sealed?
can't he have sealed?
can't we have sealed?
can't you have sealed?
can't they have sealed? 	can't I have been sealing?
can't you have been sealing?
can't he have been sealing?
can't we have been sealing?
can't you have been sealing?
can't they have been sealing?