I can spoil you can spoil he can spoil we can spoil you can spoil they can spoil
V-ing form
I can be spoiling you can be spoiling he 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 he 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 he 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 he 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 he 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 he 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 he 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 he spoil? can we spoil? can you spoil? can they spoil?
V-ing form
can I be spoiling? can you be spoiling? can he 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 he 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 he 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 he 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 he 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 he 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 he have been spoiling? can't we have been spoiling? can't you have been spoiling? can't they have been spoiling?