can precede
Regular verb: precede - preceded- preceded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't precede
you can't precede
she 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
she 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
she 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
she can't have been preceding
we can't have been preceding
you can't have been preceding
they can't have been preceding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I precede?
can't you precede?
can't she 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 she 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 she 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 she have been preceding?
can't we have been preceding?
can't you have been preceding?
can't they have been preceding?