could teeter
Regular verb: teeter - teetered- teetered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could teeter
you could teeter
she could teeter
we could teeter
you could teeter
they could teeter 	I could be teetering
you could be teetering
she could be teetering
we could be teetering
you could be teetering
they could be teetering	I could have teetered
you could have teetered
she could have teetered
we could have teetered
you could have teetered
they could have teetered	I could have been teetering
you could have been teetering
she could have been teetering
we could have been teetering
you could have been teetering
they could have been teetering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't teeter
you couldn't teeter
she couldn't teeter
we couldn't teeter
you couldn't teeter
they couldn't teeter 	I couldn't be teetering
you couldn't be teetering
she couldn't be teetering
we couldn't be teetering
you couldn't be teetering
they couldn't be teetering	I couldn't have teetered
you couldn't have teetered
she couldn't have teetered
we couldn't have teetered
you couldn't have teetered
they couldn't have teetered	I couldn't have been teetering
you couldn't have been teetering
she couldn't have been teetering
we couldn't have been teetering
you couldn't have been teetering
they couldn't have been teetering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I teeter?
could you teeter?
could she teeter?
could we teeter?
could you teeter?
could they teeter? 	could I be teetering?
could you be teetering?
could she be teetering?
could we be teetering?
could you be teetering?
could they be teetering? 	could I have teetered?
could you have teetered?
could she have teetered?
could we have teetered?
could you have teetered?
could they have teetered? 	could I have been teetering?
could you have been teetering?
could she have been teetering?
could we have been teetering?
could you have been teetering?
could they have been teetering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I teeter?
couldn't you teeter?
couldn't she teeter?
couldn't we teeter?
couldn't you teeter?
couldn't they teeter? 	couldn't I be teetering?
couldn't you be teetering?
couldn't she be teetering?
couldn't we be teetering?
couldn't you be teetering?
couldn't they be teetering? 	couldn't I have teetered?
couldn't you have teetered?
couldn't she have teetered?
couldn't we have teetered?
couldn't you have teetered?
couldn't they have teetered? 	couldn't I have been teetering?
couldn't you have been teetering?
couldn't she have been teetering?
couldn't we have been teetering?
couldn't you have been teetering?
couldn't they have been teetering?