English Grammar in Use Fifth Edition

UNIT 16
16.1
2  They’d been playing football. /
 
They had been playing …
3  I’d been looking forward to it.
 
/ I had been looking forward …
4  She’d been having a bad dream. / 
She had been having …
5  He’d been watching a film. /
 
He had been watching …
6  They’d been waiting a long time. / 
They had been waiting …
16.2
2  I’d been waiting / I had been waiting 
… I realised (that) I was (in …)
3  went … had been working  
  or  
  had 
worked
4  had been playing … started 
5 
Example answer
:
I’d been walking for about ten 
minutes when a car suddenly 
stopped just behind me.
16.3
2  We’d been travelling
3  He was looking
4  She’d been running
5  He was walking
6  I’d had it
7  I’d been going 
8  I’ve been training
9  (When I finally arrived,) she was 
waiting …  she’d been waiting  
(such a long time)
10  a  he was already working
b  had already been working
c  He’s been working