1) We use Zero conditional to talk about_______________ a) Facts b) Cause and effect c) Possible situations in the present d) General truths e) Possible situations in the past 2) We refer to the ___________ (time reference) a) Present b) Past c) Future 3) In this sentence: If you pollute something, you make it dirty or dangerous for other people or animals. Which is the condition? a) If you pollute something, b) you make it dirty or dangerous for other people or animals. 4) In this sentence: If you pollute something, you make it dirty or dangerous for other people or animals. Which is the result? a) If you pollute something, b) you make it dirty or dangerous for other people or animals. 5) In the IF CLAUSE/ CONDITION the verb takes the__________ a) Present time b) Past time c) Future time 6) In the MAIN CLAUSE/ RESULT we use __________ a) Past time b) Present time c) Future time

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