Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can underlay sth you can underlay sth he can underlay sth we can underlay sth you can underlay sth they can underlay sth
V-ing form
I can be underlay sthing you can be underlay sthing he can be underlay sthing we can be underlay sthing you can be underlay sthing they can be underlay sthing
Perfect
I can have underlay sthed you can have underlay sthed he can have underlay sthed we can have underlay sthed you can have underlay sthed they can have underlay sthed
V-ing perfect
I can have been underlay sthing you can have been underlay sthing he can have been underlay sthing we can have been underlay sthing you can have been underlay sthing they can have been underlay sthing
Negation
Simple form
I can't underlay sth you can't underlay sth he can't underlay sth we can't underlay sth you can't underlay sth they can't underlay sth
V-ing form
I can't be underlay sthing you can't be underlay sthing he can't be underlay sthing we can't be underlay sthing you can't be underlay sthing they can't be underlay sthing
Perfect
I can't have underlay sthed you can't have underlay sthed he can't have underlay sthed we can't have underlay sthed you can't have underlay sthed they can't have underlay sthed
V-ing perfect
I can't have been underlay sthing you can't have been underlay sthing he can't have been underlay sthing we can't have been underlay sthing you can't have been underlay sthing they can't have been underlay sthing
Interrogative form
Simple form
can I underlay sth? can you underlay sth? can he underlay sth? can we underlay sth? can you underlay sth? can they underlay sth?
V-ing form
can I be underlay sthing? can you be underlay sthing? can he be underlay sthing? can we be underlay sthing? can you be underlay sthing? can they be underlay sthing?
Perfect
can I have underlay sthed? can you have underlay sthed? can he have underlay sthed? can we have underlay sthed? can you have underlay sthed? can they have underlay sthed?
V-ing perfect
can I have been underlay sthing? can you have been underlay sthing? can he have been underlay sthing? can we have been underlay sthing? can you have been underlay sthing? can they have been underlay sthing?
Interro-negative form
Simple form
can't I underlay sth? can't you underlay sth? can't he underlay sth? can't we underlay sth? can't you underlay sth? can't they underlay sth?
V-ing form
can't I be underlay sthing? can't you be underlay sthing? can't he be underlay sthing? can't we be underlay sthing? can't you be underlay sthing? can't they be underlay sthing?
Perfect
can't I have underlay sthed? can't you have underlay sthed? can't he have underlay sthed? can't we have underlay sthed? can't you have underlay sthed? can't they have underlay sthed?
V-ing perfect
can't I have been underlay sthing? can't you have been underlay sthing? can't he have been underlay sthing? can't we have been underlay sthing? can't you have been underlay sthing? can't they have been underlay sthing?