English verb conjugation
COULD MELLOW

Regular verb: mellow - mellowed - mellowed

Affirmation

Simple form	V-ing form
I could mellow you could mellow she could mellow we could mellow you could mellow they could mellow	I could be mellowing you could be mellowing she could be mellowing we could be mellowing you could be mellowing they could be mellowing
Perfect	V-ing perfect
I could have mellowed you could have mellowed she could have mellowed we could have mellowed you could have mellowed they could have mellowed	I could have been mellowing you could have been mellowing she could have been mellowing we could have been mellowing you could have been mellowing they could have been mellowing

Negation

Simple form	V-ing form
I couldn't mellow you couldn't mellow she couldn't mellow we couldn't mellow you couldn't mellow they couldn't mellow	I couldn't be mellowing you couldn't be mellowing she couldn't be mellowing we couldn't be mellowing you couldn't be mellowing they couldn't be mellowing
Perfect	V-ing perfect
I couldn't have mellowed you couldn't have mellowed she couldn't have mellowed we couldn't have mellowed you couldn't have mellowed they couldn't have mellowed	I couldn't have been mellowing you couldn't have been mellowing she couldn't have been mellowing we couldn't have been mellowing you couldn't have been mellowing they couldn't have been mellowing

Interrogative form

Simple form	V-ing form
could I mellow? could you mellow? could she mellow? could we mellow? could you mellow? could they mellow?	could I be mellowing? could you be mellowing? could she be mellowing? could we be mellowing? could you be mellowing? could they be mellowing?
Perfect	V-ing perfect
could I have mellowed? could you have mellowed? could she have mellowed? could we have mellowed? could you have mellowed? could they have mellowed?	could I have been mellowing? could you have been mellowing? could she have been mellowing? could we have been mellowing? could you have been mellowing? could they have been mellowing?

Interro-negative form

Simple form	V-ing form
couldn't I mellow? couldn't you mellow? couldn't she mellow? couldn't we mellow? couldn't you mellow? couldn't they mellow?	couldn't I be mellowing? couldn't you be mellowing? couldn't she be mellowing? couldn't we be mellowing? couldn't you be mellowing? couldn't they be mellowing?
Perfect	V-ing perfect
couldn't I have mellowed? couldn't you have mellowed? couldn't she have mellowed? couldn't we have mellowed? couldn't you have mellowed? couldn't they have mellowed?	couldn't I have been mellowing? couldn't you have been mellowing? couldn't she have been mellowing? couldn't we have been mellowing? couldn't you have been mellowing? couldn't they have been mellowing?