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 cannot underlay sth you cannot underlay sth he cannot underlay sth we cannot underlay sth you cannot underlay sth they cannot underlay sth
V-ing form
I cannot be underlay sthing you cannot be underlay sthing he cannot be underlay sthing we cannot be underlay sthing you cannot be underlay sthing they cannot be underlay sthing
Perfect
I cannot have underlay sthed you cannot have underlay sthed he cannot have underlay sthed we cannot have underlay sthed you cannot have underlay sthed they cannot have underlay sthed
V-ing perfect
I cannot have been underlay sthing you cannot have been underlay sthing he cannot have been underlay sthing we cannot have been underlay sthing you cannot have been underlay sthing they cannot 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 I not underlay sth? can you not underlay sth? can he not underlay sth? can we not underlay sth? can you not underlay sth? can they not underlay sth?
V-ing form
can I not be underlay sthing? can you not be underlay sthing? can he not be underlay sthing? can we not be underlay sthing? can you not be underlay sthing? can they not be underlay sthing?
Perfect
can I not have underlay sthed? can you not have underlay sthed? can he not have underlay sthed? can we not have underlay sthed? can you not have underlay sthed? can they not have underlay sthed?
V-ing perfect
can I not have been underlay sthing? can you not have been underlay sthing? can he not have been underlay sthing? can we not have been underlay sthing? can you not have been underlay sthing? can they not have been underlay sthing?