I can procreate you can procreate she can procreate we can procreate you can procreate they can procreate
V-ing form
I can be procreating you can be procreating she can be procreating we can be procreating you can be procreating they can be procreating
Perfect
I can have procreated you can have procreated she can have procreated we can have procreated you can have procreated they can have procreated
V-ing perfect
I can have been procreating you can have been procreating she can have been procreating we can have been procreating you can have been procreating they can have been procreating
Negation
Simple form
I cannot procreate you cannot procreate she cannot procreate we cannot procreate you cannot procreate they cannot procreate
V-ing form
I cannot be procreating you cannot be procreating she cannot be procreating we cannot be procreating you cannot be procreating they cannot be procreating
Perfect
I cannot have procreated you cannot have procreated she cannot have procreated we cannot have procreated you cannot have procreated they cannot have procreated
V-ing perfect
I cannot have been procreating you cannot have been procreating she cannot have been procreating we cannot have been procreating you cannot have been procreating they cannot have been procreating
Interrogative form
Simple form
can I procreate? can you procreate? can she procreate? can we procreate? can you procreate? can they procreate?
V-ing form
can I be procreating? can you be procreating? can she be procreating? can we be procreating? can you be procreating? can they be procreating?
Perfect
can I have procreated? can you have procreated? can she have procreated? can we have procreated? can you have procreated? can they have procreated?
V-ing perfect
can I have been procreating? can you have been procreating? can she have been procreating? can we have been procreating? can you have been procreating? can they have been procreating?
Interro-negative form
Simple form
can I not procreate? can you not procreate? can she not procreate? can we not procreate? can you not procreate? can they not procreate?
V-ing form
can I not be procreating? can you not be procreating? can she not be procreating? can we not be procreating? can you not be procreating? can they not be procreating?
Perfect
can I not have procreated? can you not have procreated? can she not have procreated? can we not have procreated? can you not have procreated? can they not have procreated?
V-ing perfect
can I not have been procreating? can you not have been procreating? can she not have been procreating? can we not have been procreating? can you not have been procreating? can they not have been procreating?