I can botanise you can botanise he can botanise we can botanise you can botanise they can botanise
V-ing form
I can be botanising you can be botanising he can be botanising we can be botanising you can be botanising they can be botanising
Perfect
I can have botanised you can have botanised he can have botanised we can have botanised you can have botanised they can have botanised
V-ing perfect
I can have been botanising you can have been botanising he can have been botanising we can have been botanising you can have been botanising they can have been botanising
Negation
Simple form
I can't botanise you can't botanise he can't botanise we can't botanise you can't botanise they can't botanise
V-ing form
I can't be botanising you can't be botanising he can't be botanising we can't be botanising you can't be botanising they can't be botanising
Perfect
I can't have botanised you can't have botanised he can't have botanised we can't have botanised you can't have botanised they can't have botanised
V-ing perfect
I can't have been botanising you can't have been botanising he can't have been botanising we can't have been botanising you can't have been botanising they can't have been botanising
Interrogative form
Simple form
can I botanise? can you botanise? can he botanise? can we botanise? can you botanise? can they botanise?
V-ing form
can I be botanising? can you be botanising? can he be botanising? can we be botanising? can you be botanising? can they be botanising?
Perfect
can I have botanised? can you have botanised? can he have botanised? can we have botanised? can you have botanised? can they have botanised?
V-ing perfect
can I have been botanising? can you have been botanising? can he have been botanising? can we have been botanising? can you have been botanising? can they have been botanising?
Interro-negative form
Simple form
can't I botanise? can't you botanise? can't he botanise? can't we botanise? can't you botanise? can't they botanise?
V-ing form
can't I be botanising? can't you be botanising? can't he be botanising? can't we be botanising? can't you be botanising? can't they be botanising?
Perfect
can't I have botanised? can't you have botanised? can't he have botanised? can't we have botanised? can't you have botanised? can't they have botanised?
V-ing perfect
can't I have been botanising? can't you have been botanising? can't he have been botanising? can't we have been botanising? can't you have been botanising? can't they have been botanising?