I can avoid you can avoid he can avoid we can avoid you can avoid they can avoid
V-ing form
I can be avoiding you can be avoiding he can be avoiding we can be avoiding you can be avoiding they can be avoiding
Perfect
I can have avoided you can have avoided he can have avoided we can have avoided you can have avoided they can have avoided
V-ing perfect
I can have been avoiding you can have been avoiding he can have been avoiding we can have been avoiding you can have been avoiding they can have been avoiding
Negation
Simple form
I can't avoid you can't avoid he can't avoid we can't avoid you can't avoid they can't avoid
V-ing form
I can't be avoiding you can't be avoiding he can't be avoiding we can't be avoiding you can't be avoiding they can't be avoiding
Perfect
I can't have avoided you can't have avoided he can't have avoided we can't have avoided you can't have avoided they can't have avoided
V-ing perfect
I can't have been avoiding you can't have been avoiding he can't have been avoiding we can't have been avoiding you can't have been avoiding they can't have been avoiding
Interrogative form
Simple form
can I avoid? can you avoid? can he avoid? can we avoid? can you avoid? can they avoid?
V-ing form
can I be avoiding? can you be avoiding? can he be avoiding? can we be avoiding? can you be avoiding? can they be avoiding?
Perfect
can I have avoided? can you have avoided? can he have avoided? can we have avoided? can you have avoided? can they have avoided?
V-ing perfect
can I have been avoiding? can you have been avoiding? can he have been avoiding? can we have been avoiding? can you have been avoiding? can they have been avoiding?
Interro-negative form
Simple form
can't I avoid? can't you avoid? can't he avoid? can't we avoid? can't you avoid? can't they avoid?
V-ing form
can't I be avoiding? can't you be avoiding? can't he be avoiding? can't we be avoiding? can't you be avoiding? can't they be avoiding?
Perfect
can't I have avoided? can't you have avoided? can't he have avoided? can't we have avoided? can't you have avoided? can't they have avoided?
V-ing perfect
can't I have been avoiding? can't you have been avoiding? can't he have been avoiding? can't we have been avoiding? can't you have been avoiding? can't they have been avoiding?