English verb conjugation
COULD CONVECT

Regular verb: convect - convected - convected

Affirmation

Simple form	V-ing form
I could convect you could convect he could convect we could convect you could convect they could convect	I could be convecting you could be convecting he could be convecting we could be convecting you could be convecting they could be convecting
Perfect	V-ing perfect
I could have convected you could have convected he could have convected we could have convected you could have convected they could have convected	I could have been convecting you could have been convecting he could have been convecting we could have been convecting you could have been convecting they could have been convecting

Negation

Simple form	V-ing form
I couldn't convect you couldn't convect he couldn't convect we couldn't convect you couldn't convect they couldn't convect	I couldn't be convecting you couldn't be convecting he couldn't be convecting we couldn't be convecting you couldn't be convecting they couldn't be convecting
Perfect	V-ing perfect
I couldn't have convected you couldn't have convected he couldn't have convected we couldn't have convected you couldn't have convected they couldn't have convected	I couldn't have been convecting you couldn't have been convecting he couldn't have been convecting we couldn't have been convecting you couldn't have been convecting they couldn't have been convecting

Interrogative form

Simple form	V-ing form
could I convect? could you convect? could he convect? could we convect? could you convect? could they convect?	could I be convecting? could you be convecting? could he be convecting? could we be convecting? could you be convecting? could they be convecting?
Perfect	V-ing perfect
could I have convected? could you have convected? could he have convected? could we have convected? could you have convected? could they have convected?	could I have been convecting? could you have been convecting? could he have been convecting? could we have been convecting? could you have been convecting? could they have been convecting?

Interro-negative form

Simple form	V-ing form
couldn't I convect? couldn't you convect? couldn't he convect? couldn't we convect? couldn't you convect? couldn't they convect?	couldn't I be convecting? couldn't you be convecting? couldn't he be convecting? couldn't we be convecting? couldn't you be convecting? couldn't they be convecting?
Perfect	V-ing perfect
couldn't I have convected? couldn't you have convected? couldn't he have convected? couldn't we have convected? couldn't you have convected? couldn't they have convected?	couldn't I have been convecting? couldn't you have been convecting? couldn't he have been convecting? couldn't we have been convecting? couldn't you have been convecting? couldn't they have been convecting?