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Grammar vocabulary for the week
We use the zero conditional to describe the result of an action when the result is always or usually the same, for example: to give instructions or make suggestions If you add salt to water, it boils at a higher temperature. I listen to music when I travel by train. If you go to London, use public transport instead of taxis. The zero conditional has two clauses: the conditional clause and the main clause. This clause describes the action or condition that makes the main clause true. We can use "when" or "if": "When I go on holiday ..." (I will have a holiday – I am sure.) "If I go on holiday ..." (I might have a holiday – I'm not sure.) We can use any form of present tense in English in the conditional clause, for example: "When I go on holiday, I go somewhere warm." "If I’m reading a book, I wear glasses." "When I’ve finished work, I go to the gym." This clause describes the result of the conditional clause. We use the present simple and the imperative: for a general fact, habit or routine "If I take the train, I buy a newspaper." We can use adverbs to describe how usual the result is: "If I take the train, I often buy a newspaper. for suggestions or instructions "If you have time, come to my house." "When you get to the main road, turn right." The order of the clauses does not matter: the meaning is the same. If we put the conditional clause before the main clause, we use a comma to separate the clauses: "When" / "If" + present tense, present simple "When Sarah goes to London, she doesn’t take her car." We don't use a comma if we put the main clause before the conditional clause: present simple + "when" / "if" + present tense "Sarah doesn’t take her car when she goes to London."
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