can precede
Verbo regular: precede - preceded- preceded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can precede
you can precede
she can precede
we can precede
you can precede
they can precede 	I can be preceding
you can be preceding
she can be preceding
we can be preceding
you can be preceding
they can be preceding	I can have preceded
you can have preceded
she can have preceded
we can have preceded
you can have preceded
they can have preceded	I can have been preceding
you can have been preceding
she can have been preceding
we can have been preceding
you can have been preceding
they can have been preceding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot precede
you cannot precede
she cannot precede
we cannot precede
you cannot precede
they cannot precede 	I cannot be preceding
you cannot be preceding
she cannot be preceding
we cannot be preceding
you cannot be preceding
they cannot be preceding	I cannot have preceded
you cannot have preceded
she cannot have preceded
we cannot have preceded
you cannot have preceded
they cannot have preceded	I cannot have been preceding
you cannot have been preceding
she cannot have been preceding
we cannot have been preceding
you cannot have been preceding
they cannot have been preceding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I precede?
can you precede?
can she precede?
can we precede?
can you precede?
can they precede? 	can I be preceding?
can you be preceding?
can she be preceding?
can we be preceding?
can you be preceding?
can they be preceding? 	can I have preceded?
can you have preceded?
can she have preceded?
can we have preceded?
can you have preceded?
can they have preceded? 	can I have been preceding?
can you have been preceding?
can she have been preceding?
can we have been preceding?
can you have been preceding?
can they have been preceding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not precede?
can you not precede?
can she not precede?
can we not precede?
can you not precede?
can they not precede? 	can I not be preceding?
can you not be preceding?
can she not be preceding?
can we not be preceding?
can you not be preceding?
can they not be preceding? 	can I not have preceded?
can you not have preceded?
can she not have preceded?
can we not have preceded?
can you not have preceded?
can they not have preceded? 	can I not have been preceding?
can you not have been preceding?
can she not have been preceding?
can we not have been preceding?
can you not have been preceding?
can they not have been preceding?