English verb conjugation
COULD REGROW

Irregular verb: regrow - regrew - regrown

Affirmation

Simple form	V-ing form
I could regrow you could regrow he could regrow we could regrow you could regrow they could regrow	I could be regrowing you could be regrowing he could be regrowing we could be regrowing you could be regrowing they could be regrowing
Perfect	V-ing perfect
I could have regrown you could have regrown he could have regrown we could have regrown you could have regrown they could have regrown	I could have been regrowing you could have been regrowing he could have been regrowing we could have been regrowing you could have been regrowing they could have been regrowing

Negation

Simple form	V-ing form
I couldn't regrow you couldn't regrow he couldn't regrow we couldn't regrow you couldn't regrow they couldn't regrow	I couldn't be regrowing you couldn't be regrowing he couldn't be regrowing we couldn't be regrowing you couldn't be regrowing they couldn't be regrowing
Perfect	V-ing perfect
I couldn't have regrown you couldn't have regrown he couldn't have regrown we couldn't have regrown you couldn't have regrown they couldn't have regrown	I couldn't have been regrowing you couldn't have been regrowing he couldn't have been regrowing we couldn't have been regrowing you couldn't have been regrowing they couldn't have been regrowing

Interrogative form

Simple form	V-ing form
could I regrow? could you regrow? could he regrow? could we regrow? could you regrow? could they regrow?	could I be regrowing? could you be regrowing? could he be regrowing? could we be regrowing? could you be regrowing? could they be regrowing?
Perfect	V-ing perfect
could I have regrown? could you have regrown? could he have regrown? could we have regrown? could you have regrown? could they have regrown?	could I have been regrowing? could you have been regrowing? could he have been regrowing? could we have been regrowing? could you have been regrowing? could they have been regrowing?

Interro-negative form

Simple form	V-ing form
couldn't I regrow? couldn't you regrow? couldn't he regrow? couldn't we regrow? couldn't you regrow? couldn't they regrow?	couldn't I be regrowing? couldn't you be regrowing? couldn't he be regrowing? couldn't we be regrowing? couldn't you be regrowing? couldn't they be regrowing?
Perfect	V-ing perfect
couldn't I have regrown? couldn't you have regrown? couldn't he have regrown? couldn't we have regrown? couldn't you have regrown? couldn't they have regrown?	couldn't I have been regrowing? couldn't you have been regrowing? couldn't he have been regrowing? couldn't we have been regrowing? couldn't you have been regrowing? couldn't they have been regrowing?