I can lubricate you can lubricate she can lubricate we can lubricate you can lubricate they can lubricate
V-ing form
I can be lubricating you can be lubricating she can be lubricating we can be lubricating you can be lubricating they can be lubricating
Perfect
I can have lubricated you can have lubricated she can have lubricated we can have lubricated you can have lubricated they can have lubricated
V-ing perfect
I can have been lubricating you can have been lubricating she can have been lubricating we can have been lubricating you can have been lubricating they can have been lubricating
Negation
Simple form
I can't lubricate you can't lubricate she can't lubricate we can't lubricate you can't lubricate they can't lubricate
V-ing form
I can't be lubricating you can't be lubricating she can't be lubricating we can't be lubricating you can't be lubricating they can't be lubricating
Perfect
I can't have lubricated you can't have lubricated she can't have lubricated we can't have lubricated you can't have lubricated they can't have lubricated
V-ing perfect
I can't have been lubricating you can't have been lubricating she can't have been lubricating we can't have been lubricating you can't have been lubricating they can't have been lubricating
Interrogative form
Simple form
can I lubricate? can you lubricate? can she lubricate? can we lubricate? can you lubricate? can they lubricate?
V-ing form
can I be lubricating? can you be lubricating? can she be lubricating? can we be lubricating? can you be lubricating? can they be lubricating?
Perfect
can I have lubricated? can you have lubricated? can she have lubricated? can we have lubricated? can you have lubricated? can they have lubricated?
V-ing perfect
can I have been lubricating? can you have been lubricating? can she have been lubricating? can we have been lubricating? can you have been lubricating? can they have been lubricating?
Interro-negative form
Simple form
can't I lubricate? can't you lubricate? can't she lubricate? can't we lubricate? can't you lubricate? can't they lubricate?
V-ing form
can't I be lubricating? can't you be lubricating? can't she be lubricating? can't we be lubricating? can't you be lubricating? can't they be lubricating?
Perfect
can't I have lubricated? can't you have lubricated? can't she have lubricated? can't we have lubricated? can't you have lubricated? can't they have lubricated?
V-ing perfect
can't I have been lubricating? can't you have been lubricating? can't she have been lubricating? can't we have been lubricating? can't you have been lubricating? can't they have been lubricating?