English verb conjugation
COULD LOW

Regular verb: low - lowed - lowed

Affirmation

Simple form	V-ing form
I could low you could low she could low we could low you could low they could low	I could be lowing you could be lowing she could be lowing we could be lowing you could be lowing they could be lowing
Perfect	V-ing perfect
I could have lowed you could have lowed she could have lowed we could have lowed you could have lowed they could have lowed	I could have been lowing you could have been lowing she could have been lowing we could have been lowing you could have been lowing they could have been lowing

Negation

Simple form	V-ing form
I couldn't low you couldn't low she couldn't low we couldn't low you couldn't low they couldn't low	I couldn't be lowing you couldn't be lowing she couldn't be lowing we couldn't be lowing you couldn't be lowing they couldn't be lowing
Perfect	V-ing perfect
I couldn't have lowed you couldn't have lowed she couldn't have lowed we couldn't have lowed you couldn't have lowed they couldn't have lowed	I couldn't have been lowing you couldn't have been lowing she couldn't have been lowing we couldn't have been lowing you couldn't have been lowing they couldn't have been lowing

Interrogative form

Simple form	V-ing form
could I low? could you low? could she low? could we low? could you low? could they low?	could I be lowing? could you be lowing? could she be lowing? could we be lowing? could you be lowing? could they be lowing?
Perfect	V-ing perfect
could I have lowed? could you have lowed? could she have lowed? could we have lowed? could you have lowed? could they have lowed?	could I have been lowing? could you have been lowing? could she have been lowing? could we have been lowing? could you have been lowing? could they have been lowing?

Interro-negative form

Simple form	V-ing form
couldn't I low? couldn't you low? couldn't she low? couldn't we low? couldn't you low? couldn't they low?	couldn't I be lowing? couldn't you be lowing? couldn't she be lowing? couldn't we be lowing? couldn't you be lowing? couldn't they be lowing?
Perfect	V-ing perfect
couldn't I have lowed? couldn't you have lowed? couldn't she have lowed? couldn't we have lowed? couldn't you have lowed? couldn't they have lowed?	couldn't I have been lowing? couldn't you have been lowing? couldn't she have been lowing? couldn't we have been lowing? couldn't you have been lowing? couldn't they have been lowing?