I can schematise you can schematise he can schematise we can schematise you can schematise they can schematise
V-ing form
I can be schematising you can be schematising he can be schematising we can be schematising you can be schematising they can be schematising
Perfect
I can have schematised you can have schematised he can have schematised we can have schematised you can have schematised they can have schematised
V-ing perfect
I can have been schematising you can have been schematising he can have been schematising we can have been schematising you can have been schematising they can have been schematising
Negation
Simple form
I can't schematise you can't schematise he can't schematise we can't schematise you can't schematise they can't schematise
V-ing form
I can't be schematising you can't be schematising he can't be schematising we can't be schematising you can't be schematising they can't be schematising
Perfect
I can't have schematised you can't have schematised he can't have schematised we can't have schematised you can't have schematised they can't have schematised
V-ing perfect
I can't have been schematising you can't have been schematising he can't have been schematising we can't have been schematising you can't have been schematising they can't have been schematising
Interrogative form
Simple form
can I schematise? can you schematise? can he schematise? can we schematise? can you schematise? can they schematise?
V-ing form
can I be schematising? can you be schematising? can he be schematising? can we be schematising? can you be schematising? can they be schematising?
Perfect
can I have schematised? can you have schematised? can he have schematised? can we have schematised? can you have schematised? can they have schematised?
V-ing perfect
can I have been schematising? can you have been schematising? can he have been schematising? can we have been schematising? can you have been schematising? can they have been schematising?
Interro-negative form
Simple form
can't I schematise? can't you schematise? can't he schematise? can't we schematise? can't you schematise? can't they schematise?
V-ing form
can't I be schematising? can't you be schematising? can't he be schematising? can't we be schematising? can't you be schematising? can't they be schematising?
Perfect
can't I have schematised? can't you have schematised? can't he have schematised? can't we have schematised? can't you have schematised? can't they have schematised?
V-ing perfect
can't I have been schematising? can't you have been schematising? can't he have been schematising? can't we have been schematising? can't you have been schematising? can't they have been schematising?