could ambuscade
Regular verb: ambuscade - ambuscaded- ambuscaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could ambuscade
you could ambuscade
he could ambuscade
we could ambuscade
you could ambuscade
they could ambuscade 	I could be ambuscading
you could be ambuscading
he could be ambuscading
we could be ambuscading
you could be ambuscading
they could be ambuscading	I could have ambuscaded
you could have ambuscaded
he could have ambuscaded
we could have ambuscaded
you could have ambuscaded
they could have ambuscaded	I could have been ambuscading
you could have been ambuscading
he could have been ambuscading
we could have been ambuscading
you could have been ambuscading
they could have been ambuscading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't ambuscade
you couldn't ambuscade
he couldn't ambuscade
we couldn't ambuscade
you couldn't ambuscade
they couldn't ambuscade 	I couldn't be ambuscading
you couldn't be ambuscading
he couldn't be ambuscading
we couldn't be ambuscading
you couldn't be ambuscading
they couldn't be ambuscading	I couldn't have ambuscaded
you couldn't have ambuscaded
he couldn't have ambuscaded
we couldn't have ambuscaded
you couldn't have ambuscaded
they couldn't have ambuscaded	I couldn't have been ambuscading
you couldn't have been ambuscading
he couldn't have been ambuscading
we couldn't have been ambuscading
you couldn't have been ambuscading
they couldn't have been ambuscading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I ambuscade?
could you ambuscade?
could he ambuscade?
could we ambuscade?
could you ambuscade?
could they ambuscade? 	could I be ambuscading?
could you be ambuscading?
could he be ambuscading?
could we be ambuscading?
could you be ambuscading?
could they be ambuscading? 	could I have ambuscaded?
could you have ambuscaded?
could he have ambuscaded?
could we have ambuscaded?
could you have ambuscaded?
could they have ambuscaded? 	could I have been ambuscading?
could you have been ambuscading?
could he have been ambuscading?
could we have been ambuscading?
could you have been ambuscading?
could they have been ambuscading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I ambuscade?
couldn't you ambuscade?
couldn't he ambuscade?
couldn't we ambuscade?
couldn't you ambuscade?
couldn't they ambuscade? 	couldn't I be ambuscading?
couldn't you be ambuscading?
couldn't he be ambuscading?
couldn't we be ambuscading?
couldn't you be ambuscading?
couldn't they be ambuscading? 	couldn't I have ambuscaded?
couldn't you have ambuscaded?
couldn't he have ambuscaded?
couldn't we have ambuscaded?
couldn't you have ambuscaded?
couldn't they have ambuscaded? 	couldn't I have been ambuscading?
couldn't you have been ambuscading?
couldn't he have been ambuscading?
couldn't we have been ambuscading?
couldn't you have been ambuscading?
couldn't they have been ambuscading?