I could veil you could veil she could veil we could veil you could veil they could veil
V-ing form
I could be veiling you could be veiling she could be veiling we could be veiling you could be veiling they could be veiling
Perfect
I could have veiled you could have veiled she could have veiled we could have veiled you could have veiled they could have veiled
V-ing perfect
I could have been veiling you could have been veiling she could have been veiling we could have been veiling you could have been veiling they could have been veiling
Negation
Simple form
I couldn't veil you couldn't veil she couldn't veil we couldn't veil you couldn't veil they couldn't veil
V-ing form
I couldn't be veiling you couldn't be veiling she couldn't be veiling we couldn't be veiling you couldn't be veiling they couldn't be veiling
Perfect
I couldn't have veiled you couldn't have veiled she couldn't have veiled we couldn't have veiled you couldn't have veiled they couldn't have veiled
V-ing perfect
I couldn't have been veiling you couldn't have been veiling she couldn't have been veiling we couldn't have been veiling you couldn't have been veiling they couldn't have been veiling
Interrogative form
Simple form
could I veil? could you veil? could she veil? could we veil? could you veil? could they veil?
V-ing form
could I be veiling? could you be veiling? could she be veiling? could we be veiling? could you be veiling? could they be veiling?
Perfect
could I have veiled? could you have veiled? could she have veiled? could we have veiled? could you have veiled? could they have veiled?
V-ing perfect
could I have been veiling? could you have been veiling? could she have been veiling? could we have been veiling? could you have been veiling? could they have been veiling?
Interro-negative form
Simple form
couldn't I veil? couldn't you veil? couldn't she veil? couldn't we veil? couldn't you veil? couldn't they veil?
V-ing form
couldn't I be veiling? couldn't you be veiling? couldn't she be veiling? couldn't we be veiling? couldn't you be veiling? couldn't they be veiling?
Perfect
couldn't I have veiled? couldn't you have veiled? couldn't she have veiled? couldn't we have veiled? couldn't you have veiled? couldn't they have veiled?
V-ing perfect
couldn't I have been veiling? couldn't you have been veiling? couldn't she have been veiling? couldn't we have been veiling? couldn't you have been veiling? couldn't they have been veiling?