If you make sentences in Chinese in the second grade of primary school. . . . . as soon as...

It's simple. You can make a disturbance by mastering causality.

For example:

If it rains tomorrow, you can't go to the zoo.

If you do well in the exam, you will be rewarded.

If everyone gives a little love, the world will become a better place.

Without your help, my study would not have progressed so fast.

Without the sun, there wouldn't be such a beautiful and lovely world.

Fish can't live without water.

If there is no air, living things will not survive.

If it rains, people in the street will walk very fast.

Believe that we must persist.

If I don't come back soon, you can go to school alone.

If there is no sowing in spring, there will be no harvest in autumn.

I hope I can help you O(∩_∩)O~

PS: There are great answers upstairs, too. Please have a look!