I can spruce you can spruce he can spruce we can spruce you can spruce they can spruce
V-ing form
I can be sprucing you can be sprucing he can be sprucing we can be sprucing you can be sprucing they can be sprucing
Perfect
I can have spruced you can have spruced he can have spruced we can have spruced you can have spruced they can have spruced
V-ing perfect
I can have been sprucing you can have been sprucing he can have been sprucing we can have been sprucing you can have been sprucing they can have been sprucing
Negation
Simple form
I can't spruce you can't spruce he can't spruce we can't spruce you can't spruce they can't spruce
V-ing form
I can't be sprucing you can't be sprucing he can't be sprucing we can't be sprucing you can't be sprucing they can't be sprucing
Perfect
I can't have spruced you can't have spruced he can't have spruced we can't have spruced you can't have spruced they can't have spruced
V-ing perfect
I can't have been sprucing you can't have been sprucing he can't have been sprucing we can't have been sprucing you can't have been sprucing they can't have been sprucing
Interrogative form
Simple form
can I spruce? can you spruce? can he spruce? can we spruce? can you spruce? can they spruce?
V-ing form
can I be sprucing? can you be sprucing? can he be sprucing? can we be sprucing? can you be sprucing? can they be sprucing?
Perfect
can I have spruced? can you have spruced? can he have spruced? can we have spruced? can you have spruced? can they have spruced?
V-ing perfect
can I have been sprucing? can you have been sprucing? can he have been sprucing? can we have been sprucing? can you have been sprucing? can they have been sprucing?
Interro-negative form
Simple form
can't I spruce? can't you spruce? can't he spruce? can't we spruce? can't you spruce? can't they spruce?
V-ing form
can't I be sprucing? can't you be sprucing? can't he be sprucing? can't we be sprucing? can't you be sprucing? can't they be sprucing?
Perfect
can't I have spruced? can't you have spruced? can't he have spruced? can't we have spruced? can't you have spruced? can't they have spruced?
V-ing perfect
can't I have been sprucing? can't you have been sprucing? can't he have been sprucing? can't we have been sprucing? can't you have been sprucing? can't they have been sprucing?