could botanise
Regular verb: botanise - botanised- botanised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?