could incline
Regular verb: incline - inclined- inclined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could incline
you could incline
she could incline
we could incline
you could incline
they could incline 	I could be inclining
you could be inclining
she could be inclining
we could be inclining
you could be inclining
they could be inclining	I could have inclined
you could have inclined
she could have inclined
we could have inclined
you could have inclined
they could have inclined	I could have been inclining
you could have been inclining
she could have been inclining
we could have been inclining
you could have been inclining
they could have been inclining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't incline
you couldn't incline
she couldn't incline
we couldn't incline
you couldn't incline
they couldn't incline 	I couldn't be inclining
you couldn't be inclining
she couldn't be inclining
we couldn't be inclining
you couldn't be inclining
they couldn't be inclining	I couldn't have inclined
you couldn't have inclined
she couldn't have inclined
we couldn't have inclined
you couldn't have inclined
they couldn't have inclined	I couldn't have been inclining
you couldn't have been inclining
she couldn't have been inclining
we couldn't have been inclining
you couldn't have been inclining
they couldn't have been inclining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I incline?
could you incline?
could she incline?
could we incline?
could you incline?
could they incline? 	could I be inclining?
could you be inclining?
could she be inclining?
could we be inclining?
could you be inclining?
could they be inclining? 	could I have inclined?
could you have inclined?
could she have inclined?
could we have inclined?
could you have inclined?
could they have inclined? 	could I have been inclining?
could you have been inclining?
could she have been inclining?
could we have been inclining?
could you have been inclining?
could they have been inclining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I incline?
couldn't you incline?
couldn't she incline?
couldn't we incline?
couldn't you incline?
couldn't they incline? 	couldn't I be inclining?
couldn't you be inclining?
couldn't she be inclining?
couldn't we be inclining?
couldn't you be inclining?
couldn't they be inclining? 	couldn't I have inclined?
couldn't you have inclined?
couldn't she have inclined?
couldn't we have inclined?
couldn't you have inclined?
couldn't they have inclined? 	couldn't I have been inclining?
couldn't you have been inclining?
couldn't she have been inclining?
couldn't we have been inclining?
couldn't you have been inclining?
couldn't they have been inclining?