If Jenny (have) a party, lots of people (come) .
If Jenny has a party, lots of people come.
When I (go) to bed late, I (be) tired in the morning.
When I go to bed late, I am tired in the morning.
ZERO: If children (play) outside, they (not/become) overweight.
If children play outside, they don't become overweight.
ZERO: If you (mix) water and electricity, you (get) a shock.
If you mix water and electricity, you get a shock.
If it (be) very cold, the river (freeze).
If it is very cold, the river freezes.
When I (not/speak) to him, he (get) angry.
When I don't speak to him, he gets angry.
When it (rain) a lot, everybody (be) grumpy.
When it rains a lot, everybody is grumpy.
If you (press) the button, the video game (start).
If you press the button, the video game starts.
ZERO: When you (heat) ice, it (melt).
When you heat ice, it melts.
He (feel) good the next day if he (go) to bed early.
He feels good the next day if he goes to bed early.
When he (be) in a new city, he (like) to visit museums.
When he is in a new city, he likes to visit museums.
When he (run) fast, his heart (beat) faster.
When he runs fast, his heart beats faster.
If she (not/work) hard, she (not/pass) her exams.
If she doesn't hard, she doesn't pass her exams.
If you (touch) something hot, you (pull) your hand away fast.
If you touch something hot, you pull your hand away fast.
If the weather (be) fine, I (cycle) to work
If the weather is fine, I cycle to work
ZERO: If she (eat) too many sweets, she (get) fat.
If she eats too many sweets, she gets fat.
ZERO: If she (not/wear) a hat, she (get) sunburn.
If she doesn't wear a hat, she gets sunburn.
ZERO: If you (smoke), you (get) yellow fingers.
If you smoke, you get yellow fingers.
ZERO: If I (wake up) late, I (be) late for school.
If I wake up late, I'm late for school.
ZERO: If my dad (cook), he (burn) the food.
If my dad cooks, he burns the food.
When my 阿姨 (clean) the house, she (do) it well.
When my 阿姨 cleans the house, she does it well.
When she (go) shopping, she (buy) expensive clothes
When she goes shopping, she buys expensive clothes.
If David (drink) milk, he (get) sick.
If David drinks milk, he gets sick.