English verb conjugation
COULD RUDDLE

Regular verb: ruddle - ruddled - ruddled

Affirmation

Simple form	V-ing form
I could ruddle you could ruddle he could ruddle we could ruddle you could ruddle they could ruddle	I could be ruddling you could be ruddling he could be ruddling we could be ruddling you could be ruddling they could be ruddling
Perfect	V-ing perfect
I could have ruddled you could have ruddled he could have ruddled we could have ruddled you could have ruddled they could have ruddled	I could have been ruddling you could have been ruddling he could have been ruddling we could have been ruddling you could have been ruddling they could have been ruddling

Negation

Simple form	V-ing form
I couldn't ruddle you couldn't ruddle he couldn't ruddle we couldn't ruddle you couldn't ruddle they couldn't ruddle	I couldn't be ruddling you couldn't be ruddling he couldn't be ruddling we couldn't be ruddling you couldn't be ruddling they couldn't be ruddling
Perfect	V-ing perfect
I couldn't have ruddled you couldn't have ruddled he couldn't have ruddled we couldn't have ruddled you couldn't have ruddled they couldn't have ruddled	I couldn't have been ruddling you couldn't have been ruddling he couldn't have been ruddling we couldn't have been ruddling you couldn't have been ruddling they couldn't have been ruddling

Interrogative form

Simple form	V-ing form
could I ruddle? could you ruddle? could he ruddle? could we ruddle? could you ruddle? could they ruddle?	could I be ruddling? could you be ruddling? could he be ruddling? could we be ruddling? could you be ruddling? could they be ruddling?
Perfect	V-ing perfect
could I have ruddled? could you have ruddled? could he have ruddled? could we have ruddled? could you have ruddled? could they have ruddled?	could I have been ruddling? could you have been ruddling? could he have been ruddling? could we have been ruddling? could you have been ruddling? could they have been ruddling?

Interro-negative form

Simple form	V-ing form
couldn't I ruddle? couldn't you ruddle? couldn't he ruddle? couldn't we ruddle? couldn't you ruddle? couldn't they ruddle?	couldn't I be ruddling? couldn't you be ruddling? couldn't he be ruddling? couldn't we be ruddling? couldn't you be ruddling? couldn't they be ruddling?
Perfect	V-ing perfect
couldn't I have ruddled? couldn't you have ruddled? couldn't he have ruddled? couldn't we have ruddled? couldn't you have ruddled? couldn't they have ruddled?	couldn't I have been ruddling? couldn't you have been ruddling? couldn't he have been ruddling? couldn't we have been ruddling? couldn't you have been ruddling? couldn't they have been ruddling?