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 cannot wallow you cannot wallow he cannot wallow we cannot wallow you cannot wallow they cannot wallow
V-ing form
I cannot be wallowing you cannot be wallowing he cannot be wallowing we cannot be wallowing you cannot be wallowing they cannot be wallowing
Perfect
I cannot have wallowed you cannot have wallowed he cannot have wallowed we cannot have wallowed you cannot have wallowed they cannot have wallowed
V-ing perfect
I cannot have been wallowing you cannot have been wallowing he cannot have been wallowing we cannot have been wallowing you cannot have been wallowing they cannot 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 I not wallow? can you not wallow? can he not wallow? can we not wallow? can you not wallow? can they not wallow?
V-ing form
can I not be wallowing? can you not be wallowing? can he not be wallowing? can we not be wallowing? can you not be wallowing? can they not be wallowing?
Perfect
can I not have wallowed? can you not have wallowed? can he not have wallowed? can we not have wallowed? can you not have wallowed? can they not have wallowed?
V-ing perfect
can I not have been wallowing? can you not have been wallowing? can he not have been wallowing? can we not have been wallowing? can you not have been wallowing? can they not have been wallowing?