English verb conjugation
COULD PRONOUNCE

Regular verb: pronounce - pronounced - pronounced

Affirmation

Simple form	V-ing form
I could pronounce you could pronounce she could pronounce we could pronounce you could pronounce they could pronounce	I could be pronouncing you could be pronouncing she could be pronouncing we could be pronouncing you could be pronouncing they could be pronouncing
Perfect	V-ing perfect
I could have pronounced you could have pronounced she could have pronounced we could have pronounced you could have pronounced they could have pronounced	I could have been pronouncing you could have been pronouncing she could have been pronouncing we could have been pronouncing you could have been pronouncing they could have been pronouncing

Negation

Simple form	V-ing form
I couldn't pronounce you couldn't pronounce she couldn't pronounce we couldn't pronounce you couldn't pronounce they couldn't pronounce	I couldn't be pronouncing you couldn't be pronouncing she couldn't be pronouncing we couldn't be pronouncing you couldn't be pronouncing they couldn't be pronouncing
Perfect	V-ing perfect
I couldn't have pronounced you couldn't have pronounced she couldn't have pronounced we couldn't have pronounced you couldn't have pronounced they couldn't have pronounced	I couldn't have been pronouncing you couldn't have been pronouncing she couldn't have been pronouncing we couldn't have been pronouncing you couldn't have been pronouncing they couldn't have been pronouncing

Interrogative form

Simple form	V-ing form
could I pronounce? could you pronounce? could she pronounce? could we pronounce? could you pronounce? could they pronounce?	could I be pronouncing? could you be pronouncing? could she be pronouncing? could we be pronouncing? could you be pronouncing? could they be pronouncing?
Perfect	V-ing perfect
could I have pronounced? could you have pronounced? could she have pronounced? could we have pronounced? could you have pronounced? could they have pronounced?	could I have been pronouncing? could you have been pronouncing? could she have been pronouncing? could we have been pronouncing? could you have been pronouncing? could they have been pronouncing?

Interro-negative form

Simple form	V-ing form
couldn't I pronounce? couldn't you pronounce? couldn't she pronounce? couldn't we pronounce? couldn't you pronounce? couldn't they pronounce?	couldn't I be pronouncing? couldn't you be pronouncing? couldn't she be pronouncing? couldn't we be pronouncing? couldn't you be pronouncing? couldn't they be pronouncing?
Perfect	V-ing perfect
couldn't I have pronounced? couldn't you have pronounced? couldn't she have pronounced? couldn't we have pronounced? couldn't you have pronounced? couldn't they have pronounced?	couldn't I have been pronouncing? couldn't you have been pronouncing? couldn't she have been pronouncing? couldn't we have been pronouncing? couldn't you have been pronouncing? couldn't they have been pronouncing?