I can foreswear you can foreswear she can foreswear we can foreswear you can foreswear they can foreswear
V-ing form
I can be foreswearing you can be foreswearing she can be foreswearing we can be foreswearing you can be foreswearing they can be foreswearing
Perfect
I can have foresworn you can have foresworn she can have foresworn we can have foresworn you can have foresworn they can have foresworn
V-ing perfect
I can have been foreswearing you can have been foreswearing she can have been foreswearing we can have been foreswearing you can have been foreswearing they can have been foreswearing
Negation
Simple form
I cannot foreswear you cannot foreswear she cannot foreswear we cannot foreswear you cannot foreswear they cannot foreswear
V-ing form
I cannot be foreswearing you cannot be foreswearing she cannot be foreswearing we cannot be foreswearing you cannot be foreswearing they cannot be foreswearing
Perfect
I cannot have foresworn you cannot have foresworn she cannot have foresworn we cannot have foresworn you cannot have foresworn they cannot have foresworn
V-ing perfect
I cannot have been foreswearing you cannot have been foreswearing she cannot have been foreswearing we cannot have been foreswearing you cannot have been foreswearing they cannot have been foreswearing
Interrogative form
Simple form
can I foreswear? can you foreswear? can she foreswear? can we foreswear? can you foreswear? can they foreswear?
V-ing form
can I be foreswearing? can you be foreswearing? can she be foreswearing? can we be foreswearing? can you be foreswearing? can they be foreswearing?
Perfect
can I have foresworn? can you have foresworn? can she have foresworn? can we have foresworn? can you have foresworn? can they have foresworn?
V-ing perfect
can I have been foreswearing? can you have been foreswearing? can she have been foreswearing? can we have been foreswearing? can you have been foreswearing? can they have been foreswearing?
Interro-negative form
Simple form
can I not foreswear? can you not foreswear? can she not foreswear? can we not foreswear? can you not foreswear? can they not foreswear?
V-ing form
can I not be foreswearing? can you not be foreswearing? can she not be foreswearing? can we not be foreswearing? can you not be foreswearing? can they not be foreswearing?
Perfect
can I not have foresworn? can you not have foresworn? can she not have foresworn? can we not have foresworn? can you not have foresworn? can they not have foresworn?
V-ing perfect
can I not have been foreswearing? can you not have been foreswearing? can she not have been foreswearing? can we not have been foreswearing? can you not have been foreswearing? can they not have been foreswearing?