can excrete
Regular verb: excrete - excreted- excreted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can excrete
you can excrete
he can excrete
we can excrete
you can excrete
they can excrete 	I can be excreting
you can be excreting
he can be excreting
we can be excreting
you can be excreting
they can be excreting	I can have excreted
you can have excreted
he can have excreted
we can have excreted
you can have excreted
they can have excreted	I can have been excreting
you can have been excreting
he can have been excreting
we can have been excreting
you can have been excreting
they can have been excreting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot excrete
you cannot excrete
he cannot excrete
we cannot excrete
you cannot excrete
they cannot excrete 	I cannot be excreting
you cannot be excreting
he cannot be excreting
we cannot be excreting
you cannot be excreting
they cannot be excreting	I cannot have excreted
you cannot have excreted
he cannot have excreted
we cannot have excreted
you cannot have excreted
they cannot have excreted	I cannot have been excreting
you cannot have been excreting
he cannot have been excreting
we cannot have been excreting
you cannot have been excreting
they cannot have been excreting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I excrete?
can you excrete?
can he excrete?
can we excrete?
can you excrete?
can they excrete? 	can I be excreting?
can you be excreting?
can he be excreting?
can we be excreting?
can you be excreting?
can they be excreting? 	can I have excreted?
can you have excreted?
can he have excreted?
can we have excreted?
can you have excreted?
can they have excreted? 	can I have been excreting?
can you have been excreting?
can he have been excreting?
can we have been excreting?
can you have been excreting?
can they have been excreting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not excrete?
can you not excrete?
can he not excrete?
can we not excrete?
can you not excrete?
can they not excrete? 	can I not be excreting?
can you not be excreting?
can he not be excreting?
can we not be excreting?
can you not be excreting?
can they not be excreting? 	can I not have excreted?
can you not have excreted?
can he not have excreted?
can we not have excreted?
can you not have excreted?
can they not have excreted? 	can I not have been excreting?
can you not have been excreting?
can he not have been excreting?
can we not have been excreting?
can you not have been excreting?
can they not have been excreting?