Study the information about adjective + to.
1. Adjective + the infinitive (to)
Use this structure with adjectives: difficult, easy, hard, impossible, dangerous, safe, expensive, cheap, nice, good, interesting, exciting.
Do you think it is safe to drink this water?
![shutterstock_400659769.jpg](https://resources.cdn.miyklas.com.ua/b6168867-c04d-495a-a3f0-3b64dd80d753/shutterstock400659769w300.jpg)
It is interesting to play with Jim.
2. It is nice of you to...
You can use many other adjectives: kind, sensible, careless, unfair, considerate, silly.
![shutterstock_1351082648.jpg](https://resources.cdn.miyklas.com.ua/28aa7321-5b06-4bf6-8d63-d9053fbd2d72/shutterstock1351082648w300.jpg)
3. I am sorry to/I was surprised to…
Use the structure adjective + to if you want to say how somebody reacts to something.
Other adjectives for this purpose: happy, glad, pleased, sad, disappointed, surprised, amazed, astonished, relieved.
![shutterstock_262964918.jpg](https://resources.cdn.miyklas.com.ua/91bd4a96-2058-4449-9a8f-51b88810f413/shutterstock262964918w300.jpg)
4. Use to after the first, the last, the next, the only, the second.
He is the first to orbit the Earth.
5. Something is sure/certain/likely/bound to happen.
Jim is a good student. He’s bound to pass this test.