I can polymerise you can polymerise he can polymerise we can polymerise you can polymerise they can polymerise
V-ing form
I can be polymerising you can be polymerising he can be polymerising we can be polymerising you can be polymerising they can be polymerising
Perfect
I can have polymerised you can have polymerised he can have polymerised we can have polymerised you can have polymerised they can have polymerised
V-ing perfect
I can have been polymerising you can have been polymerising he can have been polymerising we can have been polymerising you can have been polymerising they can have been polymerising
Negation
Simple form
I can't polymerise you can't polymerise he can't polymerise we can't polymerise you can't polymerise they can't polymerise
V-ing form
I can't be polymerising you can't be polymerising he can't be polymerising we can't be polymerising you can't be polymerising they can't be polymerising
Perfect
I can't have polymerised you can't have polymerised he can't have polymerised we can't have polymerised you can't have polymerised they can't have polymerised
V-ing perfect
I can't have been polymerising you can't have been polymerising he can't have been polymerising we can't have been polymerising you can't have been polymerising they can't have been polymerising
Interrogative form
Simple form
can I polymerise? can you polymerise? can he polymerise? can we polymerise? can you polymerise? can they polymerise?
V-ing form
can I be polymerising? can you be polymerising? can he be polymerising? can we be polymerising? can you be polymerising? can they be polymerising?
Perfect
can I have polymerised? can you have polymerised? can he have polymerised? can we have polymerised? can you have polymerised? can they have polymerised?
V-ing perfect
can I have been polymerising? can you have been polymerising? can he have been polymerising? can we have been polymerising? can you have been polymerising? can they have been polymerising?
Interro-negative form
Simple form
can't I polymerise? can't you polymerise? can't he polymerise? can't we polymerise? can't you polymerise? can't they polymerise?
V-ing form
can't I be polymerising? can't you be polymerising? can't he be polymerising? can't we be polymerising? can't you be polymerising? can't they be polymerising?
Perfect
can't I have polymerised? can't you have polymerised? can't he have polymerised? can't we have polymerised? can't you have polymerised? can't they have polymerised?
V-ing perfect
can't I have been polymerising? can't you have been polymerising? can't he have been polymerising? can't we have been polymerising? can't you have been polymerising? can't they have been polymerising?