1) I usually play computer games ....... a) when I have time. b) when I had time. 2) He always smiles ...... a) when his team wins. b) when his team won. 3) I will buy a new phone ...... a) if I have money. b) if I had money. 4) When you don't listen ...... a) you don't understand what to do. b) you didn't understand what to do. 5) She will take an umbrella ...... a) if it rains. b) if it rained. 6) If you want to learn ...... a) you are listening. b) you should listen. 7) When we go to London ...... a) we will see Big Ben. b) we saw Big Ben. 8) I will be late for school ...... a) when I go now. b) unless I go now. 9) She checks her phone ...... a) when she gets home after school. b) when she got home from school. 10) Can you give this book to John ...... a) if you see him later. b) if you saw him later. 11) You don't have to finish the food ...... a) if you aren't liking it. b) if you don't like it. 12) If I see Carol ...... a) I will tell her. b) I told her. 13) Milk goes bad ....... a) if you put it in the fridge. b) unless you put it in the fridge. 14) I won't go to the park ...... a) if it doesn't stop raining. b) unless it's raining.

Zero Conditional vs First Conditional

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