1.-Solve by trial and error-Begins to solve problems with less trial and error-Verb
As they mature, they experiment with different ways to solve problems, using trial and error.
2.- Strengthen your concentration- She strengthens her concentration by not seeing the cell phone-Verb
She strengthens her concentration by not seeing the tablet
3.- Thing(something) through-We will conquer the world through technology-Verb
We will conquer the world through the brain