I can wallow you can wallow he can wallow we can wallow you can wallow they can wallow
V-ing form
I can be wallowing you can be wallowing he can be wallowing we can be wallowing you can be wallowing they can be wallowing
Perfect
I can have wallowed you can have wallowed he can have wallowed we can have wallowed you can have wallowed they can have wallowed
V-ing perfect
I can have been wallowing you can have been wallowing he can have been wallowing we can have been wallowing you can have been wallowing they can have been wallowing
Negation
Simple form
I can't wallow you can't wallow he can't wallow we can't wallow you can't wallow they can't wallow
V-ing form
I can't be wallowing you can't be wallowing he can't be wallowing we can't be wallowing you can't be wallowing they can't be wallowing
Perfect
I can't have wallowed you can't have wallowed he can't have wallowed we can't have wallowed you can't have wallowed they can't have wallowed
V-ing perfect
I can't have been wallowing you can't have been wallowing he can't have been wallowing we can't have been wallowing you can't have been wallowing they can't have been wallowing
Interrogative form
Simple form
can I wallow? can you wallow? can he wallow? can we wallow? can you wallow? can they wallow?
V-ing form
can I be wallowing? can you be wallowing? can he be wallowing? can we be wallowing? can you be wallowing? can they be wallowing?
Perfect
can I have wallowed? can you have wallowed? can he have wallowed? can we have wallowed? can you have wallowed? can they have wallowed?
V-ing perfect
can I have been wallowing? can you have been wallowing? can he have been wallowing? can we have been wallowing? can you have been wallowing? can they have been wallowing?
Interro-negative form
Simple form
can't I wallow? can't you wallow? can't he wallow? can't we wallow? can't you wallow? can't they wallow?
V-ing form
can't I be wallowing? can't you be wallowing? can't he be wallowing? can't we be wallowing? can't you be wallowing? can't they be wallowing?
Perfect
can't I have wallowed? can't you have wallowed? can't he have wallowed? can't we have wallowed? can't you have wallowed? can't they have wallowed?
V-ing perfect
can't I have been wallowing? can't you have been wallowing? can't he have been wallowing? can't we have been wallowing? can't you have been wallowing? can't they have been wallowing?