Question

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.​

Answer 1

1) has clean

2) can not find

3) would volunteer

4) could not have realized

5) would have raised

6) would be

7) would not learn

8) would become