I can complicate you can complicate she can complicate we can complicate you can complicate they can complicate
V-ing form
I can be complicating you can be complicating she can be complicating we can be complicating you can be complicating they can be complicating
Perfect
I can have complicated you can have complicated she can have complicated we can have complicated you can have complicated they can have complicated
V-ing perfect
I can have been complicating you can have been complicating she can have been complicating we can have been complicating you can have been complicating they can have been complicating
Negation
Simple form
I can't complicate you can't complicate she can't complicate we can't complicate you can't complicate they can't complicate
V-ing form
I can't be complicating you can't be complicating she can't be complicating we can't be complicating you can't be complicating they can't be complicating
Perfect
I can't have complicated you can't have complicated she can't have complicated we can't have complicated you can't have complicated they can't have complicated
V-ing perfect
I can't have been complicating you can't have been complicating she can't have been complicating we can't have been complicating you can't have been complicating they can't have been complicating
Interrogative form
Simple form
can I complicate? can you complicate? can she complicate? can we complicate? can you complicate? can they complicate?
V-ing form
can I be complicating? can you be complicating? can she be complicating? can we be complicating? can you be complicating? can they be complicating?
Perfect
can I have complicated? can you have complicated? can she have complicated? can we have complicated? can you have complicated? can they have complicated?
V-ing perfect
can I have been complicating? can you have been complicating? can she have been complicating? can we have been complicating? can you have been complicating? can they have been complicating?
Interro-negative form
Simple form
can't I complicate? can't you complicate? can't she complicate? can't we complicate? can't you complicate? can't they complicate?
V-ing form
can't I be complicating? can't you be complicating? can't she be complicating? can't we be complicating? can't you be complicating? can't they be complicating?
Perfect
can't I have complicated? can't you have complicated? can't she have complicated? can't we have complicated? can't you have complicated? can't they have complicated?
V-ing perfect
can't I have been complicating? can't you have been complicating? can't she have been complicating? can't we have been complicating? can't you have been complicating? can't they have been complicating?