Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could intreat intreat you could intreat intreat she could intreat intreat we could intreat intreat you could intreat intreat they could intreat intreat
V-ing form
I could be intreat intreating you could be intreat intreating she could be intreat intreating we could be intreat intreating you could be intreat intreating they could be intreat intreating
Perfect
I could have intreat intreated you could have intreat intreated she could have intreat intreated we could have intreat intreated you could have intreat intreated they could have intreat intreated
V-ing perfect
I could have been intreat intreating you could have been intreat intreating she could have been intreat intreating we could have been intreat intreating you could have been intreat intreating they could have been intreat intreating
Negation
Simple form
I could not intreat intreat you could not intreat intreat she could not intreat intreat we could not intreat intreat you could not intreat intreat they could not intreat intreat
V-ing form
I could not be intreat intreating you could not be intreat intreating she could not be intreat intreating we could not be intreat intreating you could not be intreat intreating they could not be intreat intreating
Perfect
I could not have intreat intreated you could not have intreat intreated she could not have intreat intreated we could not have intreat intreated you could not have intreat intreated they could not have intreat intreated
V-ing perfect
I could not have been intreat intreating you could not have been intreat intreating she could not have been intreat intreating we could not have been intreat intreating you could not have been intreat intreating they could not have been intreat intreating
Interrogative form
Simple form
could I intreat intreat? could you intreat intreat? could she intreat intreat? could we intreat intreat? could you intreat intreat? could they intreat intreat?
V-ing form
could I be intreat intreating? could you be intreat intreating? could she be intreat intreating? could we be intreat intreating? could you be intreat intreating? could they be intreat intreating?
Perfect
could I have intreat intreated? could you have intreat intreated? could she have intreat intreated? could we have intreat intreated? could you have intreat intreated? could they have intreat intreated?
V-ing perfect
could I have been intreat intreating? could you have been intreat intreating? could she have been intreat intreating? could we have been intreat intreating? could you have been intreat intreating? could they have been intreat intreating?
Interro-negative form
Simple form
could I not intreat intreat? could you not intreat intreat? could she not intreat intreat? could we not intreat intreat? could you not intreat intreat? could they not intreat intreat?
V-ing form
could I not be intreat intreating? could you not be intreat intreating? could she not be intreat intreating? could we not be intreat intreating? could you not be intreat intreating? could they not be intreat intreating?
Perfect
could I not have intreat intreated? could you not have intreat intreated? could she not have intreat intreated? could we not have intreat intreated? could you not have intreat intreated? could they not have intreat intreated?
V-ing perfect
could I not have been intreat intreating? could you not have been intreat intreating? could she not have been intreat intreating? could we not have been intreat intreating? could you not have been intreat intreating? could they not have been intreat intreating?