очень просто. Open the brackets and put the verbs in the correct form. Write down full sentences.
If I (not know) how to get to the place, I (to take) a taxi.
If I (to be) in your shoes, I (to make up) with her and start speaking again.
I (to come) if I (to finish) my work early.
If you (to leave) your car opened, it (to be stolen).
If I (to get lost), I (to use) a map.
If you (to drink) much coffee, you (not sleep) at night.
If I (to be) a billionaire, I (to buy) an island.
If I (not take) the wrong way, I (not meet) you.
If a cat (to see) a dog, it (to run) away.
I (to leave) as soon as the babysitter (to arrive).