English verb conjugation
COULD BOTANISE

Regular verb: botanise - botanised - botanised

Affirmation

Simple form	V-ing form
I could botanise you could botanise he could botanise we could botanise you could botanise they could botanise	I could be botanising you could be botanising he could be botanising we could be botanising you could be botanising they could be botanising
Perfect	V-ing perfect
I could have botanised you could have botanised he could have botanised we could have botanised you could have botanised they could have botanised	I could have been botanising you could have been botanising he could have been botanising we could have been botanising you could have been botanising they could have been botanising

Negation

Simple form	V-ing form
I couldn't botanise you couldn't botanise he couldn't botanise we couldn't botanise you couldn't botanise they couldn't botanise	I couldn't be botanising you couldn't be botanising he couldn't be botanising we couldn't be botanising you couldn't be botanising they couldn't be botanising
Perfect	V-ing perfect
I couldn't have botanised you couldn't have botanised he couldn't have botanised we couldn't have botanised you couldn't have botanised they couldn't have botanised	I couldn't have been botanising you couldn't have been botanising he couldn't have been botanising we couldn't have been botanising you couldn't have been botanising they couldn't have been botanising

Interrogative form

Simple form	V-ing form
could I botanise? could you botanise? could he botanise? could we botanise? could you botanise? could they botanise?	could I be botanising? could you be botanising? could he be botanising? could we be botanising? could you be botanising? could they be botanising?
Perfect	V-ing perfect
could I have botanised? could you have botanised? could he have botanised? could we have botanised? could you have botanised? could they have botanised?	could I have been botanising? could you have been botanising? could he have been botanising? could we have been botanising? could you have been botanising? could they have been botanising?

Interro-negative form

Simple form	V-ing form
couldn't I botanise? couldn't you botanise? couldn't he botanise? couldn't we botanise? couldn't you botanise? couldn't they botanise?	couldn't I be botanising? couldn't you be botanising? couldn't he be botanising? couldn't we be botanising? couldn't you be botanising? couldn't they be botanising?
Perfect	V-ing perfect
couldn't I have botanised? couldn't you have botanised? couldn't he have botanised? couldn't we have botanised? couldn't you have botanised? couldn't they have botanised?	couldn't I have been botanising? couldn't you have been botanising? couldn't he have been botanising? couldn't we have been botanising? couldn't you have been botanising? couldn't they have been botanising?