English verb conjugation
COULD AVOID

Regular verb: avoid - avoided - avoided

Affirmation

Simple form	V-ing form
I could avoid you could avoid he could avoid we could avoid you could avoid they could avoid	I could be avoiding you could be avoiding he could be avoiding we could be avoiding you could be avoiding they could be avoiding
Perfect	V-ing perfect
I could have avoided you could have avoided he could have avoided we could have avoided you could have avoided they could have avoided	I could have been avoiding you could have been avoiding he could have been avoiding we could have been avoiding you could have been avoiding they could have been avoiding

Negation

Simple form	V-ing form
I couldn't avoid you couldn't avoid he couldn't avoid we couldn't avoid you couldn't avoid they couldn't avoid	I couldn't be avoiding you couldn't be avoiding he couldn't be avoiding we couldn't be avoiding you couldn't be avoiding they couldn't be avoiding
Perfect	V-ing perfect
I couldn't have avoided you couldn't have avoided he couldn't have avoided we couldn't have avoided you couldn't have avoided they couldn't have avoided	I couldn't have been avoiding you couldn't have been avoiding he couldn't have been avoiding we couldn't have been avoiding you couldn't have been avoiding they couldn't have been avoiding

Interrogative form

Simple form	V-ing form
could I avoid? could you avoid? could he avoid? could we avoid? could you avoid? could they avoid?	could I be avoiding? could you be avoiding? could he be avoiding? could we be avoiding? could you be avoiding? could they be avoiding?
Perfect	V-ing perfect
could I have avoided? could you have avoided? could he have avoided? could we have avoided? could you have avoided? could they have avoided?	could I have been avoiding? could you have been avoiding? could he have been avoiding? could we have been avoiding? could you have been avoiding? could they have been avoiding?

Interro-negative form

Simple form	V-ing form
couldn't I avoid? couldn't you avoid? couldn't he avoid? couldn't we avoid? couldn't you avoid? couldn't they avoid?	couldn't I be avoiding? couldn't you be avoiding? couldn't he be avoiding? couldn't we be avoiding? couldn't you be avoiding? couldn't they be avoiding?
Perfect	V-ing perfect
couldn't I have avoided? couldn't you have avoided? couldn't he have avoided? couldn't we have avoided? couldn't you have avoided? couldn't they have avoided?	couldn't I have been avoiding? couldn't you have been avoiding? couldn't he have been avoiding? couldn't we have been avoiding? couldn't you have been avoiding? couldn't they have been avoiding?