... stopped doing some things and started doing other things:
He stopped studying hard/going to bed early/running three miles e3very morning
He started smoking/going out in the evening/spending a lot ... covered in paint. She has been painting the ceiling.
Has been Painting is the present perfect
We are interested in the activity. It does not matter whether something has been finished or not. In ... I/he/she/it was playing/doing/working etc.
we/you/they were playing/doing/working etc.
B. We use the past continuous to say that somebody was in the middle of doing something at a certain time.
The...
... Essential GrammarinUse Supplementary Exercises with Answers
ISBN 978-0-521-675413 Essential GrammarinUse Supplementary Exercises without Answers
ISBN 978-0-521-675802 Essential GrammarinUse ... given in the Key (pages 112-127). But if you want an explanation of the grammar
points, you'll need to check in Essential Grammarin Use.
The grammar points covered in this book are not in ... 978-0-521-675802 Essential GrammarinUse with Answers
ISBN 978-0-521-675819 Essential GrammarinUse without Answers
ISBN 978-0-521-675444 Essential GrammarinUse CD-ROM
Cambridge University Press has no...