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
he can precede
we can precede
you can precede
they can precede 	I can be preceding
you can be preceding
he can be preceding
we can be preceding
you can be preceding
they can be preceding	I can have preceded
you can have preceded
he 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
he 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 can't precede
you can't precede
he can't precede
we can't precede
you can't precede
they can't precede 	I can't be preceding
you can't be preceding
he can't be preceding
we can't be preceding
you can't be preceding
they can't be preceding	I can't have preceded
you can't have preceded
he can't have preceded
we can't have preceded
you can't have preceded
they can't have preceded	I can't have been preceding
you can't have been preceding
he can't have been preceding
we can't have been preceding
you can't have been preceding
they can't have been preceding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I precede?
can you precede?
can he precede?
can we precede?
can you precede?
can they precede? 	can I be preceding?
can you be preceding?
can he be preceding?
can we be preceding?
can you be preceding?
can they be preceding? 	can I have preceded?
can you have preceded?
can he 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 he 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't I precede?
can't you precede?
can't he precede?
can't we precede?
can't you precede?
can't they precede? 	can't I be preceding?
can't you be preceding?
can't he be preceding?
can't we be preceding?
can't you be preceding?
can't they be preceding? 	can't I have preceded?
can't you have preceded?
can't he have preceded?
can't we have preceded?
can't you have preceded?
can't they have preceded? 	can't I have been preceding?
can't you have been preceding?
can't he have been preceding?
can't we have been preceding?
can't you have been preceding?
can't they have been preceding?