I can sophisticate you can sophisticate he can sophisticate we can sophisticate you can sophisticate they can sophisticate
V-ing form
I can be sophisticating you can be sophisticating he can be sophisticating we can be sophisticating you can be sophisticating they can be sophisticating
Perfect
I can have sophisticated you can have sophisticated he can have sophisticated we can have sophisticated you can have sophisticated they can have sophisticated
V-ing perfect
I can have been sophisticating you can have been sophisticating he can have been sophisticating we can have been sophisticating you can have been sophisticating they can have been sophisticating
Negation
Simple form
I can't sophisticate you can't sophisticate he can't sophisticate we can't sophisticate you can't sophisticate they can't sophisticate
V-ing form
I can't be sophisticating you can't be sophisticating he can't be sophisticating we can't be sophisticating you can't be sophisticating they can't be sophisticating
Perfect
I can't have sophisticated you can't have sophisticated he can't have sophisticated we can't have sophisticated you can't have sophisticated they can't have sophisticated
V-ing perfect
I can't have been sophisticating you can't have been sophisticating he can't have been sophisticating we can't have been sophisticating you can't have been sophisticating they can't have been sophisticating
Interrogative form
Simple form
can I sophisticate? can you sophisticate? can he sophisticate? can we sophisticate? can you sophisticate? can they sophisticate?
V-ing form
can I be sophisticating? can you be sophisticating? can he be sophisticating? can we be sophisticating? can you be sophisticating? can they be sophisticating?
Perfect
can I have sophisticated? can you have sophisticated? can he have sophisticated? can we have sophisticated? can you have sophisticated? can they have sophisticated?
V-ing perfect
can I have been sophisticating? can you have been sophisticating? can he have been sophisticating? can we have been sophisticating? can you have been sophisticating? can they have been sophisticating?
Interro-negative form
Simple form
can't I sophisticate? can't you sophisticate? can't he sophisticate? can't we sophisticate? can't you sophisticate? can't they sophisticate?
V-ing form
can't I be sophisticating? can't you be sophisticating? can't he be sophisticating? can't we be sophisticating? can't you be sophisticating? can't they be sophisticating?
Perfect
can't I have sophisticated? can't you have sophisticated? can't he have sophisticated? can't we have sophisticated? can't you have sophisticated? can't they have sophisticated?
V-ing perfect
can't I have been sophisticating? can't you have been sophisticating? can't he have been sophisticating? can't we have been sophisticating? can't you have been sophisticating? can't they have been sophisticating?