I can spoil you can spoil she can spoil we can spoil you can spoil they can spoil
V-ing form
I can be spoiling you can be spoiling she can be spoiling we can be spoiling you can be spoiling they can be spoiling
Perfect
I can have spoiled, spoilt you can have spoiled, spoilt she can have spoiled, spoilt we can have spoiled, spoilt you can have spoiled, spoilt they can have spoiled, spoilt
V-ing perfect
I can have been spoiling you can have been spoiling she can have been spoiling we can have been spoiling you can have been spoiling they can have been spoiling
Negation
Simple form
I can't spoil you can't spoil she can't spoil we can't spoil you can't spoil they can't spoil
V-ing form
I can't be spoiling you can't be spoiling she can't be spoiling we can't be spoiling you can't be spoiling they can't be spoiling
Perfect
I can't have spoiled, spoilt you can't have spoiled, spoilt she can't have spoiled, spoilt we can't have spoiled, spoilt you can't have spoiled, spoilt they can't have spoiled, spoilt
V-ing perfect
I can't have been spoiling you can't have been spoiling she can't have been spoiling we can't have been spoiling you can't have been spoiling they can't have been spoiling
Interrogative form
Simple form
can I spoil? can you spoil? can she spoil? can we spoil? can you spoil? can they spoil?
V-ing form
can I be spoiling? can you be spoiling? can she be spoiling? can we be spoiling? can you be spoiling? can they be spoiling?
Perfect
can I have spoiled, spoilt? can you have spoiled, spoilt? can she have spoiled, spoilt? can we have spoiled, spoilt? can you have spoiled, spoilt? can they have spoiled, spoilt?
V-ing perfect
can I have been spoiling? can you have been spoiling? can she have been spoiling? can we have been spoiling? can you have been spoiling? can they have been spoiling?
Interro-negative form
Simple form
can't I spoil? can't you spoil? can't she spoil? can't we spoil? can't you spoil? can't they spoil?
V-ing form
can't I be spoiling? can't you be spoiling? can't she be spoiling? can't we be spoiling? can't you be spoiling? can't they be spoiling?
Perfect
can't I have spoiled, spoilt? can't you have spoiled, spoilt? can't she have spoiled, spoilt? can't we have spoiled, spoilt? can't you have spoiled, spoilt? can't they have spoiled, spoilt?
V-ing perfect
can't I have been spoiling? can't you have been spoiling? can't she have been spoiling? can't we have been spoiling? can't you have been spoiling? can't they have been spoiling?