English verb conjugation
COULD MONGRELISE

Regular verb: mongrelise - mongrelised - mongrelised

Affirmation

Simple form	V-ing form
I could mongrelise you could mongrelise she could mongrelise we could mongrelise you could mongrelise they could mongrelise	I could be mongrelising you could be mongrelising she could be mongrelising we could be mongrelising you could be mongrelising they could be mongrelising
Perfect	V-ing perfect
I could have mongrelised you could have mongrelised she could have mongrelised we could have mongrelised you could have mongrelised they could have mongrelised	I could have been mongrelising you could have been mongrelising she could have been mongrelising we could have been mongrelising you could have been mongrelising they could have been mongrelising

Negation

Simple form	V-ing form
I could not mongrelise you could not mongrelise she could not mongrelise we could not mongrelise you could not mongrelise they could not mongrelise	I could not be mongrelising you could not be mongrelising she could not be mongrelising we could not be mongrelising you could not be mongrelising they could not be mongrelising
Perfect	V-ing perfect
I could not have mongrelised you could not have mongrelised she could not have mongrelised we could not have mongrelised you could not have mongrelised they could not have mongrelised	I could not have been mongrelising you could not have been mongrelising she could not have been mongrelising we could not have been mongrelising you could not have been mongrelising they could not have been mongrelising

Interrogative form

Simple form	V-ing form
could I mongrelise? could you mongrelise? could she mongrelise? could we mongrelise? could you mongrelise? could they mongrelise?	could I be mongrelising? could you be mongrelising? could she be mongrelising? could we be mongrelising? could you be mongrelising? could they be mongrelising?
Perfect	V-ing perfect
could I have mongrelised? could you have mongrelised? could she have mongrelised? could we have mongrelised? could you have mongrelised? could they have mongrelised?	could I have been mongrelising? could you have been mongrelising? could she have been mongrelising? could we have been mongrelising? could you have been mongrelising? could they have been mongrelising?

Interro-negative form

Simple form	V-ing form
could I not mongrelise? could you not mongrelise? could she not mongrelise? could we not mongrelise? could you not mongrelise? could they not mongrelise?	could I not be mongrelising? could you not be mongrelising? could she not be mongrelising? could we not be mongrelising? could you not be mongrelising? could they not be mongrelising?
Perfect	V-ing perfect
could I not have mongrelised? could you not have mongrelised? could she not have mongrelised? could we not have mongrelised? could you not have mongrelised? could they not have mongrelised?	could I not have been mongrelising? could you not have been mongrelising? could she not have been mongrelising? could we not have been mongrelising? could you not have been mongrelising? could they not have been mongrelising?