English verb conjugation
COULD TOP-DRESS

Regular verb: top-dress - top-dressed - top-dressed

Affirmation

Simple form	V-ing form
I could top-dress you could top-dress he could top-dress we could top-dress you could top-dress they could top-dress	I could be top-dressing you could be top-dressing he could be top-dressing we could be top-dressing you could be top-dressing they could be top-dressing
Perfect	V-ing perfect
I could have top-dressed you could have top-dressed he could have top-dressed we could have top-dressed you could have top-dressed they could have top-dressed	I could have been top-dressing you could have been top-dressing he could have been top-dressing we could have been top-dressing you could have been top-dressing they could have been top-dressing

Negation

Simple form	V-ing form
I couldn't top-dress you couldn't top-dress he couldn't top-dress we couldn't top-dress you couldn't top-dress they couldn't top-dress	I couldn't be top-dressing you couldn't be top-dressing he couldn't be top-dressing we couldn't be top-dressing you couldn't be top-dressing they couldn't be top-dressing
Perfect	V-ing perfect
I couldn't have top-dressed you couldn't have top-dressed he couldn't have top-dressed we couldn't have top-dressed you couldn't have top-dressed they couldn't have top-dressed	I couldn't have been top-dressing you couldn't have been top-dressing he couldn't have been top-dressing we couldn't have been top-dressing you couldn't have been top-dressing they couldn't have been top-dressing

Interrogative form

Simple form	V-ing form
could I top-dress? could you top-dress? could he top-dress? could we top-dress? could you top-dress? could they top-dress?	could I be top-dressing? could you be top-dressing? could he be top-dressing? could we be top-dressing? could you be top-dressing? could they be top-dressing?
Perfect	V-ing perfect
could I have top-dressed? could you have top-dressed? could he have top-dressed? could we have top-dressed? could you have top-dressed? could they have top-dressed?	could I have been top-dressing? could you have been top-dressing? could he have been top-dressing? could we have been top-dressing? could you have been top-dressing? could they have been top-dressing?

Interro-negative form

Simple form	V-ing form
couldn't I top-dress? couldn't you top-dress? couldn't he top-dress? couldn't we top-dress? couldn't you top-dress? couldn't they top-dress?	couldn't I be top-dressing? couldn't you be top-dressing? couldn't he be top-dressing? couldn't we be top-dressing? couldn't you be top-dressing? couldn't they be top-dressing?
Perfect	V-ing perfect
couldn't I have top-dressed? couldn't you have top-dressed? couldn't he have top-dressed? couldn't we have top-dressed? couldn't you have top-dressed? couldn't they have top-dressed?	couldn't I have been top-dressing? couldn't you have been top-dressing? couldn't he have been top-dressing? couldn't we have been top-dressing? couldn't you have been top-dressing? couldn't they have been top-dressing?