I can caterwaul you can caterwaul he can caterwaul we can caterwaul you can caterwaul they can caterwaul
V-ing form
I can be caterwauling you can be caterwauling he can be caterwauling we can be caterwauling you can be caterwauling they can be caterwauling
Perfect
I can have caterwauled you can have caterwauled he can have caterwauled we can have caterwauled you can have caterwauled they can have caterwauled
V-ing perfect
I can have been caterwauling you can have been caterwauling he can have been caterwauling we can have been caterwauling you can have been caterwauling they can have been caterwauling
Negation
Simple form
I can't caterwaul you can't caterwaul he can't caterwaul we can't caterwaul you can't caterwaul they can't caterwaul
V-ing form
I can't be caterwauling you can't be caterwauling he can't be caterwauling we can't be caterwauling you can't be caterwauling they can't be caterwauling
Perfect
I can't have caterwauled you can't have caterwauled he can't have caterwauled we can't have caterwauled you can't have caterwauled they can't have caterwauled
V-ing perfect
I can't have been caterwauling you can't have been caterwauling he can't have been caterwauling we can't have been caterwauling you can't have been caterwauling they can't have been caterwauling
Interrogative form
Simple form
can I caterwaul? can you caterwaul? can he caterwaul? can we caterwaul? can you caterwaul? can they caterwaul?
V-ing form
can I be caterwauling? can you be caterwauling? can he be caterwauling? can we be caterwauling? can you be caterwauling? can they be caterwauling?
Perfect
can I have caterwauled? can you have caterwauled? can he have caterwauled? can we have caterwauled? can you have caterwauled? can they have caterwauled?
V-ing perfect
can I have been caterwauling? can you have been caterwauling? can he have been caterwauling? can we have been caterwauling? can you have been caterwauling? can they have been caterwauling?
Interro-negative form
Simple form
can't I caterwaul? can't you caterwaul? can't he caterwaul? can't we caterwaul? can't you caterwaul? can't they caterwaul?
V-ing form
can't I be caterwauling? can't you be caterwauling? can't he be caterwauling? can't we be caterwauling? can't you be caterwauling? can't they be caterwauling?
Perfect
can't I have caterwauled? can't you have caterwauled? can't he have caterwauled? can't we have caterwauled? can't you have caterwauled? can't they have caterwauled?
V-ing perfect
can't I have been caterwauling? can't you have been caterwauling? can't he have been caterwauling? can't we have been caterwauling? can't you have been caterwauling? can't they have been caterwauling?