I could outgrow you could outgrow he could outgrow we could outgrow you could outgrow they could outgrow
V-ing form
I could be outgrowing you could be outgrowing he could be outgrowing we could be outgrowing you could be outgrowing they could be outgrowing
Perfect
I could have outgrown you could have outgrown he could have outgrown we could have outgrown you could have outgrown they could have outgrown
V-ing perfect
I could have been outgrowing you could have been outgrowing he could have been outgrowing we could have been outgrowing you could have been outgrowing they could have been outgrowing
Negation
Simple form
I couldn't outgrow you couldn't outgrow he couldn't outgrow we couldn't outgrow you couldn't outgrow they couldn't outgrow
V-ing form
I couldn't be outgrowing you couldn't be outgrowing he couldn't be outgrowing we couldn't be outgrowing you couldn't be outgrowing they couldn't be outgrowing
Perfect
I couldn't have outgrown you couldn't have outgrown he couldn't have outgrown we couldn't have outgrown you couldn't have outgrown they couldn't have outgrown
V-ing perfect
I couldn't have been outgrowing you couldn't have been outgrowing he couldn't have been outgrowing we couldn't have been outgrowing you couldn't have been outgrowing they couldn't have been outgrowing
Interrogative form
Simple form
could I outgrow? could you outgrow? could he outgrow? could we outgrow? could you outgrow? could they outgrow?
V-ing form
could I be outgrowing? could you be outgrowing? could he be outgrowing? could we be outgrowing? could you be outgrowing? could they be outgrowing?
Perfect
could I have outgrown? could you have outgrown? could he have outgrown? could we have outgrown? could you have outgrown? could they have outgrown?
V-ing perfect
could I have been outgrowing? could you have been outgrowing? could he have been outgrowing? could we have been outgrowing? could you have been outgrowing? could they have been outgrowing?
Interro-negative form
Simple form
couldn't I outgrow? couldn't you outgrow? couldn't he outgrow? couldn't we outgrow? couldn't you outgrow? couldn't they outgrow?
V-ing form
couldn't I be outgrowing? couldn't you be outgrowing? couldn't he be outgrowing? couldn't we be outgrowing? couldn't you be outgrowing? couldn't they be outgrowing?
Perfect
couldn't I have outgrown? couldn't you have outgrown? couldn't he have outgrown? couldn't we have outgrown? couldn't you have outgrown? couldn't they have outgrown?
V-ing perfect
couldn't I have been outgrowing? couldn't you have been outgrowing? couldn't he have been outgrowing? couldn't we have been outgrowing? couldn't you have been outgrowing? couldn't they have been outgrowing?