can fence
Verbo regular: fence - fenced- fenced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can fence
you can fence
he can fence
we can fence
you can fence
they can fence 	I can be fencing
you can be fencing
he can be fencing
we can be fencing
you can be fencing
they can be fencing	I can have fenced
you can have fenced
he can have fenced
we can have fenced
you can have fenced
they can have fenced	I can have been fencing
you can have been fencing
he can have been fencing
we can have been fencing
you can have been fencing
they can have been fencing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't fence
you can't fence
he can't fence
we can't fence
you can't fence
they can't fence 	I can't be fencing
you can't be fencing
he can't be fencing
we can't be fencing
you can't be fencing
they can't be fencing	I can't have fenced
you can't have fenced
he can't have fenced
we can't have fenced
you can't have fenced
they can't have fenced	I can't have been fencing
you can't have been fencing
he can't have been fencing
we can't have been fencing
you can't have been fencing
they can't have been fencing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I fence?
can you fence?
can he fence?
can we fence?
can you fence?
can they fence? 	can I be fencing?
can you be fencing?
can he be fencing?
can we be fencing?
can you be fencing?
can they be fencing? 	can I have fenced?
can you have fenced?
can he have fenced?
can we have fenced?
can you have fenced?
can they have fenced? 	can I have been fencing?
can you have been fencing?
can he have been fencing?
can we have been fencing?
can you have been fencing?
can they have been fencing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I fence?
can't you fence?
can't he fence?
can't we fence?
can't you fence?
can't they fence? 	can't I be fencing?
can't you be fencing?
can't he be fencing?
can't we be fencing?
can't you be fencing?
can't they be fencing? 	can't I have fenced?
can't you have fenced?
can't he have fenced?
can't we have fenced?
can't you have fenced?
can't they have fenced? 	can't I have been fencing?
can't you have been fencing?
can't he have been fencing?
can't we have been fencing?
can't you have been fencing?
can't they have been fencing?