Gerund and Infinitive

"It's helpful to learn a new languge" (common)

We often use it + be followed by an adjective to give opinions:

Clever, difficult, easy, foolish, hard, kind, nice, possible, impossible, right, wrong, silly, etc.

Example :

"It's easy to play the piano, but it's very difficult to play well."
"He spoke so quickly that it was impossible to understand him."

 

B. In order to and for

The phrases "in order to" and "for" are commonly used to express purpose or reason in English, but they are used in different ways.

 

1. In order to

This is a formal way to explain why someone does something. But only one word in this three-word phrase is actually necessary: to.