could nucleate
Regular verb: nucleate - nucleated- nucleated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could nucleate
you could nucleate
she could nucleate
we could nucleate
you could nucleate
they could nucleate 	I could be nucleating
you could be nucleating
she could be nucleating
we could be nucleating
you could be nucleating
they could be nucleating	I could have nucleated
you could have nucleated
she could have nucleated
we could have nucleated
you could have nucleated
they could have nucleated	I could have been nucleating
you could have been nucleating
she could have been nucleating
we could have been nucleating
you could have been nucleating
they could have been nucleating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not nucleate
you could not nucleate
she could not nucleate
we could not nucleate
you could not nucleate
they could not nucleate 	I could not be nucleating
you could not be nucleating
she could not be nucleating
we could not be nucleating
you could not be nucleating
they could not be nucleating	I could not have nucleated
you could not have nucleated
she could not have nucleated
we could not have nucleated
you could not have nucleated
they could not have nucleated	I could not have been nucleating
you could not have been nucleating
she could not have been nucleating
we could not have been nucleating
you could not have been nucleating
they could not have been nucleating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I nucleate?
could you nucleate?
could she nucleate?
could we nucleate?
could you nucleate?
could they nucleate? 	could I be nucleating?
could you be nucleating?
could she be nucleating?
could we be nucleating?
could you be nucleating?
could they be nucleating? 	could I have nucleated?
could you have nucleated?
could she have nucleated?
could we have nucleated?
could you have nucleated?
could they have nucleated? 	could I have been nucleating?
could you have been nucleating?
could she have been nucleating?
could we have been nucleating?
could you have been nucleating?
could they have been nucleating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not nucleate?
could you not nucleate?
could she not nucleate?
could we not nucleate?
could you not nucleate?
could they not nucleate? 	could I not be nucleating?
could you not be nucleating?
could she not be nucleating?
could we not be nucleating?
could you not be nucleating?
could they not be nucleating? 	could I not have nucleated?
could you not have nucleated?
could she not have nucleated?
could we not have nucleated?
could you not have nucleated?
could they not have nucleated? 	could I not have been nucleating?
could you not have been nucleating?
could she not have been nucleating?
could we not have been nucleating?
could you not have been nucleating?
could they not have been nucleating?