I can age you can age he can age we can age you can age they can age
V-ing form
I can be aging you can be aging he can be aging we can be aging you can be aging they can be aging
Perfect
I can have aged you can have aged he can have aged we can have aged you can have aged they can have aged
V-ing perfect
I can have been aging you can have been aging he can have been aging we can have been aging you can have been aging they can have been aging
Negation
Simple form
I can't age you can't age he can't age we can't age you can't age they can't age
V-ing form
I can't be aging you can't be aging he can't be aging we can't be aging you can't be aging they can't be aging
Perfect
I can't have aged you can't have aged he can't have aged we can't have aged you can't have aged they can't have aged
V-ing perfect
I can't have been aging you can't have been aging he can't have been aging we can't have been aging you can't have been aging they can't have been aging
Interrogative form
Simple form
can I age? can you age? can he age? can we age? can you age? can they age?
V-ing form
can I be aging? can you be aging? can he be aging? can we be aging? can you be aging? can they be aging?
Perfect
can I have aged? can you have aged? can he have aged? can we have aged? can you have aged? can they have aged?
V-ing perfect
can I have been aging? can you have been aging? can he have been aging? can we have been aging? can you have been aging? can they have been aging?
Interro-negative form
Simple form
can't I age? can't you age? can't he age? can't we age? can't you age? can't they age?
V-ing form
can't I be aging? can't you be aging? can't he be aging? can't we be aging? can't you be aging? can't they be aging?
Perfect
can't I have aged? can't you have aged? can't he have aged? can't we have aged? can't you have aged? can't they have aged?
V-ing perfect
can't I have been aging? can't you have been aging? can't he have been aging? can't we have been aging? can't you have been aging? can't they have been aging?