could analyze
Regular verb: analyze - analyzed- analyzed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could analyze
you could analyze
she could analyze
we could analyze
you could analyze
they could analyze 	I could be analyzing
you could be analyzing
she could be analyzing
we could be analyzing
you could be analyzing
they could be analyzing	I could have analyzed
you could have analyzed
she could have analyzed
we could have analyzed
you could have analyzed
they could have analyzed	I could have been analyzing
you could have been analyzing
she could have been analyzing
we could have been analyzing
you could have been analyzing
they could have been analyzing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't analyze
you couldn't analyze
she couldn't analyze
we couldn't analyze
you couldn't analyze
they couldn't analyze 	I couldn't be analyzing
you couldn't be analyzing
she couldn't be analyzing
we couldn't be analyzing
you couldn't be analyzing
they couldn't be analyzing	I couldn't have analyzed
you couldn't have analyzed
she couldn't have analyzed
we couldn't have analyzed
you couldn't have analyzed
they couldn't have analyzed	I couldn't have been analyzing
you couldn't have been analyzing
she couldn't have been analyzing
we couldn't have been analyzing
you couldn't have been analyzing
they couldn't have been analyzing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I analyze?
could you analyze?
could she analyze?
could we analyze?
could you analyze?
could they analyze? 	could I be analyzing?
could you be analyzing?
could she be analyzing?
could we be analyzing?
could you be analyzing?
could they be analyzing? 	could I have analyzed?
could you have analyzed?
could she have analyzed?
could we have analyzed?
could you have analyzed?
could they have analyzed? 	could I have been analyzing?
could you have been analyzing?
could she have been analyzing?
could we have been analyzing?
could you have been analyzing?
could they have been analyzing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I analyze?
couldn't you analyze?
couldn't she analyze?
couldn't we analyze?
couldn't you analyze?
couldn't they analyze? 	couldn't I be analyzing?
couldn't you be analyzing?
couldn't she be analyzing?
couldn't we be analyzing?
couldn't you be analyzing?
couldn't they be analyzing? 	couldn't I have analyzed?
couldn't you have analyzed?
couldn't she have analyzed?
couldn't we have analyzed?
couldn't you have analyzed?
couldn't they have analyzed? 	couldn't I have been analyzing?
couldn't you have been analyzing?
couldn't she have been analyzing?
couldn't we have been analyzing?
couldn't you have been analyzing?
couldn't they have been analyzing?