I can belabour you can belabour she can belabour we can belabour you can belabour they can belabour
V-ing form
I can be belabouring you can be belabouring she can be belabouring we can be belabouring you can be belabouring they can be belabouring
Perfect
I can have belaboured you can have belaboured she can have belaboured we can have belaboured you can have belaboured they can have belaboured
V-ing perfect
I can have been belabouring you can have been belabouring she can have been belabouring we can have been belabouring you can have been belabouring they can have been belabouring
Negation
Simple form
I can't belabour you can't belabour she can't belabour we can't belabour you can't belabour they can't belabour
V-ing form
I can't be belabouring you can't be belabouring she can't be belabouring we can't be belabouring you can't be belabouring they can't be belabouring
Perfect
I can't have belaboured you can't have belaboured she can't have belaboured we can't have belaboured you can't have belaboured they can't have belaboured
V-ing perfect
I can't have been belabouring you can't have been belabouring she can't have been belabouring we can't have been belabouring you can't have been belabouring they can't have been belabouring
Interrogative form
Simple form
can I belabour? can you belabour? can she belabour? can we belabour? can you belabour? can they belabour?
V-ing form
can I be belabouring? can you be belabouring? can she be belabouring? can we be belabouring? can you be belabouring? can they be belabouring?
Perfect
can I have belaboured? can you have belaboured? can she have belaboured? can we have belaboured? can you have belaboured? can they have belaboured?
V-ing perfect
can I have been belabouring? can you have been belabouring? can she have been belabouring? can we have been belabouring? can you have been belabouring? can they have been belabouring?
Interro-negative form
Simple form
can't I belabour? can't you belabour? can't she belabour? can't we belabour? can't you belabour? can't they belabour?
V-ing form
can't I be belabouring? can't you be belabouring? can't she be belabouring? can't we be belabouring? can't you be belabouring? can't they be belabouring?
Perfect
can't I have belaboured? can't you have belaboured? can't she have belaboured? can't we have belaboured? can't you have belaboured? can't they have belaboured?
V-ing perfect
can't I have been belabouring? can't you have been belabouring? can't she have been belabouring? can't we have been belabouring? can't you have been belabouring? can't they have been belabouring?