could tape-record
Regular verb: tape-record - tape-recorded- tape-recorded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could tape-record
you could tape-record
he could tape-record
we could tape-record
you could tape-record
they could tape-record 	I could be tape-recording
you could be tape-recording
he could be tape-recording
we could be tape-recording
you could be tape-recording
they could be tape-recording	I could have tape-recorded
you could have tape-recorded
he could have tape-recorded
we could have tape-recorded
you could have tape-recorded
they could have tape-recorded	I could have been tape-recording
you could have been tape-recording
he could have been tape-recording
we could have been tape-recording
you could have been tape-recording
they could have been tape-recording	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't tape-record
you couldn't tape-record
he couldn't tape-record
we couldn't tape-record
you couldn't tape-record
they couldn't tape-record 	I couldn't be tape-recording
you couldn't be tape-recording
he couldn't be tape-recording
we couldn't be tape-recording
you couldn't be tape-recording
they couldn't be tape-recording	I couldn't have tape-recorded
you couldn't have tape-recorded
he couldn't have tape-recorded
we couldn't have tape-recorded
you couldn't have tape-recorded
they couldn't have tape-recorded	I couldn't have been tape-recording
you couldn't have been tape-recording
he couldn't have been tape-recording
we couldn't have been tape-recording
you couldn't have been tape-recording
they couldn't have been tape-recording	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I tape-record?
could you tape-record?
could he tape-record?
could we tape-record?
could you tape-record?
could they tape-record? 	could I be tape-recording?
could you be tape-recording?
could he be tape-recording?
could we be tape-recording?
could you be tape-recording?
could they be tape-recording? 	could I have tape-recorded?
could you have tape-recorded?
could he have tape-recorded?
could we have tape-recorded?
could you have tape-recorded?
could they have tape-recorded? 	could I have been tape-recording?
could you have been tape-recording?
could he have been tape-recording?
could we have been tape-recording?
could you have been tape-recording?
could they have been tape-recording? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I tape-record?
couldn't you tape-record?
couldn't he tape-record?
couldn't we tape-record?
couldn't you tape-record?
couldn't they tape-record? 	couldn't I be tape-recording?
couldn't you be tape-recording?
couldn't he be tape-recording?
couldn't we be tape-recording?
couldn't you be tape-recording?
couldn't they be tape-recording? 	couldn't I have tape-recorded?
couldn't you have tape-recorded?
couldn't he have tape-recorded?
couldn't we have tape-recorded?
couldn't you have tape-recorded?
couldn't they have tape-recorded? 	couldn't I have been tape-recording?
couldn't you have been tape-recording?
couldn't he have been tape-recording?
couldn't we have been tape-recording?
couldn't you have been tape-recording?
couldn't they have been tape-recording?