First Conditional Activity 4º ESO

Complete the sentences with the correct first conditional forms.

1 If we ……................. (not demonstrate), things ……................. (not change).
2 The refugees ……................. (suffer) if we ……................. (not help).
3 If scientists ……................. (clone) people, there ……................. (be) protests.
4 We ……................. (make) more money if we ……................. (organize) a campaign.
5 If we ……................. (not protect) tigers, they ……................. (be) extinct.

Write sentences. Use the first conditional.

1 global warming / cause / serious problems / if / we not control / it
…............................................................…… .
2 if / we / not stop / war, poor countries / not develop
…............................................................…… .
3 the government / not listen / if / we / not send in / a petition
…............................................................…… .
4 if / we / not boycott / the company, the situation / get worse
….............................................……………. .
5 the campaign / be / more effective / if / people / give out / leaflets
…............................................................…… .