could lip-read
Regular verb: lip-read - lip-readed- lip-readed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could lip-read
you could lip-read
she could lip-read
we could lip-read
you could lip-read
they could lip-read 	I could be lip-reading
you could be lip-reading
she could be lip-reading
we could be lip-reading
you could be lip-reading
they could be lip-reading	I could have lip-readed
you could have lip-readed
she could have lip-readed
we could have lip-readed
you could have lip-readed
they could have lip-readed	I could have been lip-reading
you could have been lip-reading
she could have been lip-reading
we could have been lip-reading
you could have been lip-reading
they could have been lip-reading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not lip-read
you could not lip-read
she could not lip-read
we could not lip-read
you could not lip-read
they could not lip-read 	I could not be lip-reading
you could not be lip-reading
she could not be lip-reading
we could not be lip-reading
you could not be lip-reading
they could not be lip-reading	I could not have lip-readed
you could not have lip-readed
she could not have lip-readed
we could not have lip-readed
you could not have lip-readed
they could not have lip-readed	I could not have been lip-reading
you could not have been lip-reading
she could not have been lip-reading
we could not have been lip-reading
you could not have been lip-reading
they could not have been lip-reading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I lip-read?
could you lip-read?
could she lip-read?
could we lip-read?
could you lip-read?
could they lip-read? 	could I be lip-reading?
could you be lip-reading?
could she be lip-reading?
could we be lip-reading?
could you be lip-reading?
could they be lip-reading? 	could I have lip-readed?
could you have lip-readed?
could she have lip-readed?
could we have lip-readed?
could you have lip-readed?
could they have lip-readed? 	could I have been lip-reading?
could you have been lip-reading?
could she have been lip-reading?
could we have been lip-reading?
could you have been lip-reading?
could they have been lip-reading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not lip-read?
could you not lip-read?
could she not lip-read?
could we not lip-read?
could you not lip-read?
could they not lip-read? 	could I not be lip-reading?
could you not be lip-reading?
could she not be lip-reading?
could we not be lip-reading?
could you not be lip-reading?
could they not be lip-reading? 	could I not have lip-readed?
could you not have lip-readed?
could she not have lip-readed?
could we not have lip-readed?
could you not have lip-readed?
could they not have lip-readed? 	could I not have been lip-reading?
could you not have been lip-reading?
could she not have been lip-reading?
could we not have been lip-reading?
could you not have been lip-reading?
could they not have been lip-reading?