If / you / heat / water / it / boils, If you heat water, it boils., If / I / study / will / I / pass / the / test, If I study, I will pass the test., If / you / don't / sleep / you / get / tired, If you don't sleep, you get tired., If / it / rains / I / will / stay / home / at, If it rains, I will stay at home., If / they / invite / me / will / I / go, If they invite me, I will go, If / she / studies / she / will / pass / the / test test, If she studies, she will pass the test, If / you / heat / ice / it / melts, If you heat ice, it melts, If / I / have / time / I / will / help / you, If I have time, I will help you., If / tomorrow / is / sunny / we / will / go / outside, If tomorrow is sunny, we will go outside, If / you / touch / fire / it / burns, If you touch fire, it burns.

Zero & First Conditional.

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