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IF/WHEN If/When

CONDITION

RESULT

PRESENT SIMPLE

PRESENT SIMPLE

you heat butter

it melts

RESULT

IF/WHEN

PRESENT SIMPLE Butter melts

CONDITION PRESENT SIMPLE

If/when

you heat it

We use the zero conditional when the result of the condition is always true and obvious. Exercise

Write the verbs in brackets. Use the ZERO conditional.

1-If it _____________ (rain), the streets _____________ (get) wet. 2-My mother __________ (get) angry when I ____________ (not do) my homework every day. 3- If you ________ (run) too fast, you ____________ (get) really exhausted. 4-I can’t __________________ (understand) Elizabeth when she _______________ (speak) so quickly. 5-If Madeleine _____________ (miss) the seven o’clock train, she __________ (be) late for work. 6- When you ___________ (turn on) an electric al appliance, the electricity meter __________ (go) up. 7- My little sister always ____________ (cry) when she ___________ (be) hungry. 8-When you ____________ (drink) too much alcohol, you sure ___________ (get) drunk. It’s dangerous. 9-The mountains _____________ (get) white when it _________________ (snow). 10-If you _______________ (don’t drink) enough water, you ____________ (become) dehydrated. 11-You ___________ (gain) weigh if you ____________ (eat) too much sugar and fried food. 12-When my mother ____________ (have) a toothache, she always ______________ (take) an aspirin. 13-If you _______________ (mix) red and blue, you ____________ (get) purple. 14-Plants ______________ (die) if they ______________ (not get) enough water. 15- If you ______________ (break) a leg, it _______ (hurt) and it’s very painful. 16- When my friends ___________ (tell) me an important secret, I never ___________ (tell) it to anyone. 17- You __________ (get) a substantial fine if you _______________ (not pay) your taxes. 18- If you __________ (not get) enough vitamins and iron, you __________ (suffer) from anaemia.