can express
Regular verb: express - expressed- expressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can express
you can express
she can express
we can express
you can express
they can express 	I can be expressing
you can be expressing
she can be expressing
we can be expressing
you can be expressing
they can be expressing	I can have expressed
you can have expressed
she can have expressed
we can have expressed
you can have expressed
they can have expressed	I can have been expressing
you can have been expressing
she can have been expressing
we can have been expressing
you can have been expressing
they can have been expressing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't express
you can't express
she can't express
we can't express
you can't express
they can't express 	I can't be expressing
you can't be expressing
she can't be expressing
we can't be expressing
you can't be expressing
they can't be expressing	I can't have expressed
you can't have expressed
she can't have expressed
we can't have expressed
you can't have expressed
they can't have expressed	I can't have been expressing
you can't have been expressing
she can't have been expressing
we can't have been expressing
you can't have been expressing
they can't have been expressing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I express?
can you express?
can she express?
can we express?
can you express?
can they express? 	can I be expressing?
can you be expressing?
can she be expressing?
can we be expressing?
can you be expressing?
can they be expressing? 	can I have expressed?
can you have expressed?
can she have expressed?
can we have expressed?
can you have expressed?
can they have expressed? 	can I have been expressing?
can you have been expressing?
can she have been expressing?
can we have been expressing?
can you have been expressing?
can they have been expressing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I express?
can't you express?
can't she express?
can't we express?
can't you express?
can't they express? 	can't I be expressing?
can't you be expressing?
can't she be expressing?
can't we be expressing?
can't you be expressing?
can't they be expressing? 	can't I have expressed?
can't you have expressed?
can't she have expressed?
can't we have expressed?
can't you have expressed?
can't they have expressed? 	can't I have been expressing?
can't you have been expressing?
can't she have been expressing?
can't we have been expressing?
can't you have been expressing?
can't they have been expressing?