could tinct
Regular verb: tinct - tincted- tincted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could tinct
you could tinct
she could tinct
we could tinct
you could tinct
they could tinct 	I could be tincting
you could be tincting
she could be tincting
we could be tincting
you could be tincting
they could be tincting	I could have tincted
you could have tincted
she could have tincted
we could have tincted
you could have tincted
they could have tincted	I could have been tincting
you could have been tincting
she could have been tincting
we could have been tincting
you could have been tincting
they could have been tincting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't tinct
you couldn't tinct
she couldn't tinct
we couldn't tinct
you couldn't tinct
they couldn't tinct 	I couldn't be tincting
you couldn't be tincting
she couldn't be tincting
we couldn't be tincting
you couldn't be tincting
they couldn't be tincting	I couldn't have tincted
you couldn't have tincted
she couldn't have tincted
we couldn't have tincted
you couldn't have tincted
they couldn't have tincted	I couldn't have been tincting
you couldn't have been tincting
she couldn't have been tincting
we couldn't have been tincting
you couldn't have been tincting
they couldn't have been tincting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I tinct?
could you tinct?
could she tinct?
could we tinct?
could you tinct?
could they tinct? 	could I be tincting?
could you be tincting?
could she be tincting?
could we be tincting?
could you be tincting?
could they be tincting? 	could I have tincted?
could you have tincted?
could she have tincted?
could we have tincted?
could you have tincted?
could they have tincted? 	could I have been tincting?
could you have been tincting?
could she have been tincting?
could we have been tincting?
could you have been tincting?
could they have been tincting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I tinct?
couldn't you tinct?
couldn't she tinct?
couldn't we tinct?
couldn't you tinct?
couldn't they tinct? 	couldn't I be tincting?
couldn't you be tincting?
couldn't she be tincting?
couldn't we be tincting?
couldn't you be tincting?
couldn't they be tincting? 	couldn't I have tincted?
couldn't you have tincted?
couldn't she have tincted?
couldn't we have tincted?
couldn't you have tincted?
couldn't they have tincted? 	couldn't I have been tincting?
couldn't you have been tincting?
couldn't she have been tincting?
couldn't we have been tincting?
couldn't you have been tincting?
couldn't they have been tincting?