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9.6.9.1 Put the verbs in the correct
Which sentences need a comma?
When everyone in the village
tense. Identify the type of conditional.
(have) clean drinking water we will start
3
1
thinking about building a new school.
2 If we .......
.... (not/find) a
way to protect endangered species they will
disappear
3 If I were you I .....
(volunteer) for a charity this summer.
4 She ........
(not/realise) poverty was a serious problem
in the city if she hadn't visited the slums.
5 If the event had been advertised on social
media we .......
... (raise)
a lot more money.
6 There ......
(be) fewer
homeless people on the streets if we build
more shelters.
7 The children ......
(not/learn) to read and write if they don't
go to school.
8 Unless we protect black rhinos they
(become) extinct.​