English verb conjugation
COULD DWINDLE

Regular verb: dwindle - dwindled - dwindled

Affirmation

Simple form	V-ing form
I could dwindle you could dwindle he could dwindle we could dwindle you could dwindle they could dwindle	I could be dwindling you could be dwindling he could be dwindling we could be dwindling you could be dwindling they could be dwindling
Perfect	V-ing perfect
I could have dwindled you could have dwindled he could have dwindled we could have dwindled you could have dwindled they could have dwindled	I could have been dwindling you could have been dwindling he could have been dwindling we could have been dwindling you could have been dwindling they could have been dwindling

Negation

Simple form	V-ing form
I couldn't dwindle you couldn't dwindle he couldn't dwindle we couldn't dwindle you couldn't dwindle they couldn't dwindle	I couldn't be dwindling you couldn't be dwindling he couldn't be dwindling we couldn't be dwindling you couldn't be dwindling they couldn't be dwindling
Perfect	V-ing perfect
I couldn't have dwindled you couldn't have dwindled he couldn't have dwindled we couldn't have dwindled you couldn't have dwindled they couldn't have dwindled	I couldn't have been dwindling you couldn't have been dwindling he couldn't have been dwindling we couldn't have been dwindling you couldn't have been dwindling they couldn't have been dwindling

Interrogative form

Simple form	V-ing form
could I dwindle? could you dwindle? could he dwindle? could we dwindle? could you dwindle? could they dwindle?	could I be dwindling? could you be dwindling? could he be dwindling? could we be dwindling? could you be dwindling? could they be dwindling?
Perfect	V-ing perfect
could I have dwindled? could you have dwindled? could he have dwindled? could we have dwindled? could you have dwindled? could they have dwindled?	could I have been dwindling? could you have been dwindling? could he have been dwindling? could we have been dwindling? could you have been dwindling? could they have been dwindling?

Interro-negative form

Simple form	V-ing form
couldn't I dwindle? couldn't you dwindle? couldn't he dwindle? couldn't we dwindle? couldn't you dwindle? couldn't they dwindle?	couldn't I be dwindling? couldn't you be dwindling? couldn't he be dwindling? couldn't we be dwindling? couldn't you be dwindling? couldn't they be dwindling?
Perfect	V-ing perfect
couldn't I have dwindled? couldn't you have dwindled? couldn't he have dwindled? couldn't we have dwindled? couldn't you have dwindled? couldn't they have dwindled?	couldn't I have been dwindling? couldn't you have been dwindling? couldn't he have been dwindling? couldn't we have been dwindling? couldn't you have been dwindling? couldn't they have been dwindling?