could entoil
Regular verb: entoil - entoiled- entoiled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could entoil
you could entoil
she could entoil
we could entoil
you could entoil
they could entoil 	I could be entoiling
you could be entoiling
she could be entoiling
we could be entoiling
you could be entoiling
they could be entoiling	I could have entoiled
you could have entoiled
she could have entoiled
we could have entoiled
you could have entoiled
they could have entoiled	I could have been entoiling
you could have been entoiling
she could have been entoiling
we could have been entoiling
you could have been entoiling
they could have been entoiling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't entoil
you couldn't entoil
she couldn't entoil
we couldn't entoil
you couldn't entoil
they couldn't entoil 	I couldn't be entoiling
you couldn't be entoiling
she couldn't be entoiling
we couldn't be entoiling
you couldn't be entoiling
they couldn't be entoiling	I couldn't have entoiled
you couldn't have entoiled
she couldn't have entoiled
we couldn't have entoiled
you couldn't have entoiled
they couldn't have entoiled	I couldn't have been entoiling
you couldn't have been entoiling
she couldn't have been entoiling
we couldn't have been entoiling
you couldn't have been entoiling
they couldn't have been entoiling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I entoil?
could you entoil?
could she entoil?
could we entoil?
could you entoil?
could they entoil? 	could I be entoiling?
could you be entoiling?
could she be entoiling?
could we be entoiling?
could you be entoiling?
could they be entoiling? 	could I have entoiled?
could you have entoiled?
could she have entoiled?
could we have entoiled?
could you have entoiled?
could they have entoiled? 	could I have been entoiling?
could you have been entoiling?
could she have been entoiling?
could we have been entoiling?
could you have been entoiling?
could they have been entoiling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I entoil?
couldn't you entoil?
couldn't she entoil?
couldn't we entoil?
couldn't you entoil?
couldn't they entoil? 	couldn't I be entoiling?
couldn't you be entoiling?
couldn't she be entoiling?
couldn't we be entoiling?
couldn't you be entoiling?
couldn't they be entoiling? 	couldn't I have entoiled?
couldn't you have entoiled?
couldn't she have entoiled?
couldn't we have entoiled?
couldn't you have entoiled?
couldn't they have entoiled? 	couldn't I have been entoiling?
couldn't you have been entoiling?
couldn't she have been entoiling?
couldn't we have been entoiling?
couldn't you have been entoiling?
couldn't they have been entoiling?