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Ex. 4

b) While/When I was talking to Tina on the phone we were cut off.

c) While/When we were sitting in the park we saw someone running with a woman's handbag.

d) Dad was clearing the table while/when Pete and Joe were doing the washing-up.

e) While/When she was walking home late at night, she heard someone screaming for help.

f) While/When he was downloading songs from the net there was a bleackout.

g) I met my boyfriend in London while/when he was doing a language course.

h) While/When we were discussing football the phone rang.

Ex. 5

b) He was drinking while driving.

c) When I was a child, I lived in Portugal.

d) While they were playing cards last night, somebody broke into the house.

e) You were sleeping when/while I was working hard.

f) Where were you going when I saw you?

g) I read it when you said to.

h) You were speaking fluent French when/while I was still learning.

Ex. 6

b) I was making dinner.

c) My husband and I were playing cards.

d) I were having a phone conversation.

e) We were helping our children with their homework.

f) I was having a bath while my mum was reading a book.

g) We were driving to the supermarket.

h) I was lying in bed with an headache.

Ex. 7

b) When

c) were coming

d) turned

e) was moving

f) While

g) forgot

h) was wearing

i) hit

j) were

Ex. 8

b) was

c) going

d) Weren't

e) making

f) thinking

g) opened

Ex. 9

a) Stavo leggendo un libro giallo nel mio letto quando sentii uno strano rumore.

b) Pioveva quando lasciai casa stamattina.

c) L'altro ieri stavo andando al pub quando incontrai Frank.

d) Dato che mi sentivo stanco dopo il pasto, decidemmo di prenderci una pausa.

e) La notte scorsa stava guidando molto veloce benché le strade fossero bagnate.

f) Cosa stavi facendo ieri alle 11.00?

g) In quel momento Jack stava lavorando e studiando.

h) L'anno scorso mentra stava guidando in giro per l'Europa, ebbe un brutto incidente.

i) Stavo pranzando quando suonò il telefono.

Ex. 10

a) Where were you going yesterday when I saw you?

b) I was doing the washing-up when I heard a noise.

c) The sun was shining while we were playing football.

d) Yesterday, while I was going to the pub, I saw a car accident.

e) The motorways were slippery last evening but the lorry driver was driving very fast.

f) Yesterday I cut my finger while I was opening a tuna tin.

g) I was watching a documentary on television, inspector.

h) I was working and studying to pay for the university.

i) We saw them regulary when we were living in New York.