English verb conjugation
COULD SALLOW

Regular verb: sallow - sallowed - sallowed

Affirmation

Simple form	V-ing form
I could sallow you could sallow she could sallow we could sallow you could sallow they could sallow	I could be sallowing you could be sallowing she could be sallowing we could be sallowing you could be sallowing they could be sallowing
Perfect	V-ing perfect
I could have sallowed you could have sallowed she could have sallowed we could have sallowed you could have sallowed they could have sallowed	I could have been sallowing you could have been sallowing she could have been sallowing we could have been sallowing you could have been sallowing they could have been sallowing

Negation

Simple form	V-ing form
I couldn't sallow you couldn't sallow she couldn't sallow we couldn't sallow you couldn't sallow they couldn't sallow	I couldn't be sallowing you couldn't be sallowing she couldn't be sallowing we couldn't be sallowing you couldn't be sallowing they couldn't be sallowing
Perfect	V-ing perfect
I couldn't have sallowed you couldn't have sallowed she couldn't have sallowed we couldn't have sallowed you couldn't have sallowed they couldn't have sallowed	I couldn't have been sallowing you couldn't have been sallowing she couldn't have been sallowing we couldn't have been sallowing you couldn't have been sallowing they couldn't have been sallowing

Interrogative form

Simple form	V-ing form
could I sallow? could you sallow? could she sallow? could we sallow? could you sallow? could they sallow?	could I be sallowing? could you be sallowing? could she be sallowing? could we be sallowing? could you be sallowing? could they be sallowing?
Perfect	V-ing perfect
could I have sallowed? could you have sallowed? could she have sallowed? could we have sallowed? could you have sallowed? could they have sallowed?	could I have been sallowing? could you have been sallowing? could she have been sallowing? could we have been sallowing? could you have been sallowing? could they have been sallowing?

Interro-negative form

Simple form	V-ing form
couldn't I sallow? couldn't you sallow? couldn't she sallow? couldn't we sallow? couldn't you sallow? couldn't they sallow?	couldn't I be sallowing? couldn't you be sallowing? couldn't she be sallowing? couldn't we be sallowing? couldn't you be sallowing? couldn't they be sallowing?
Perfect	V-ing perfect
couldn't I have sallowed? couldn't you have sallowed? couldn't she have sallowed? couldn't we have sallowed? couldn't you have sallowed? couldn't they have sallowed?	couldn't I have been sallowing? couldn't you have been sallowing? couldn't she have been sallowing? couldn't we have been sallowing? couldn't you have been sallowing? couldn't they have been sallowing?