could speed-read
Irregular verb: speed-read - speed-read- speed-read

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could speed-read
you could speed-read
he could speed-read
we could speed-read
you could speed-read
they could speed-read 	I could be speed-reading
you could be speed-reading
he could be speed-reading
we could be speed-reading
you could be speed-reading
they could be speed-reading	I could have speed-read
you could have speed-read
he could have speed-read
we could have speed-read
you could have speed-read
they could have speed-read	I could have been speed-reading
you could have been speed-reading
he could have been speed-reading
we could have been speed-reading
you could have been speed-reading
they could have been speed-reading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not speed-read
you could not speed-read
he could not speed-read
we could not speed-read
you could not speed-read
they could not speed-read 	I could not be speed-reading
you could not be speed-reading
he could not be speed-reading
we could not be speed-reading
you could not be speed-reading
they could not be speed-reading	I could not have speed-read
you could not have speed-read
he could not have speed-read
we could not have speed-read
you could not have speed-read
they could not have speed-read	I could not have been speed-reading
you could not have been speed-reading
he could not have been speed-reading
we could not have been speed-reading
you could not have been speed-reading
they could not have been speed-reading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I speed-read?
could you speed-read?
could he speed-read?
could we speed-read?
could you speed-read?
could they speed-read? 	could I be speed-reading?
could you be speed-reading?
could he be speed-reading?
could we be speed-reading?
could you be speed-reading?
could they be speed-reading? 	could I have speed-read?
could you have speed-read?
could he have speed-read?
could we have speed-read?
could you have speed-read?
could they have speed-read? 	could I have been speed-reading?
could you have been speed-reading?
could he have been speed-reading?
could we have been speed-reading?
could you have been speed-reading?
could they have been speed-reading? 	

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