could abscise
Regular verb: abscise - abscised- abscised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could abscise
you could abscise
he could abscise
we could abscise
you could abscise
they could abscise 	I could be abscising
you could be abscising
he could be abscising
we could be abscising
you could be abscising
they could be abscising	I could have abscised
you could have abscised
he could have abscised
we could have abscised
you could have abscised
they could have abscised	I could have been abscising
you could have been abscising
he could have been abscising
we could have been abscising
you could have been abscising
they could have been abscising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not abscise
you could not abscise
he could not abscise
we could not abscise
you could not abscise
they could not abscise 	I could not be abscising
you could not be abscising
he could not be abscising
we could not be abscising
you could not be abscising
they could not be abscising	I could not have abscised
you could not have abscised
he could not have abscised
we could not have abscised
you could not have abscised
they could not have abscised	I could not have been abscising
you could not have been abscising
he could not have been abscising
we could not have been abscising
you could not have been abscising
they could not have been abscising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I abscise?
could you abscise?
could he abscise?
could we abscise?
could you abscise?
could they abscise? 	could I be abscising?
could you be abscising?
could he be abscising?
could we be abscising?
could you be abscising?
could they be abscising? 	could I have abscised?
could you have abscised?
could he have abscised?
could we have abscised?
could you have abscised?
could they have abscised? 	could I have been abscising?
could you have been abscising?
could he have been abscising?
could we have been abscising?
could you have been abscising?
could they have been abscising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not abscise?
could you not abscise?
could he not abscise?
could we not abscise?
could you not abscise?
could they not abscise? 	could I not be abscising?
could you not be abscising?
could he not be abscising?
could we not be abscising?
could you not be abscising?
could they not be abscising? 	could I not have abscised?
could you not have abscised?
could he not have abscised?
could we not have abscised?
could you not have abscised?
could they not have abscised? 	could I not have been abscising?
could you not have been abscising?
could he not have been abscising?
could we not have been abscising?
could you not have been abscising?
could they not have been abscising?