We can use the present simple of the verb to be to talk about situations and states in the present. Am I? Are you/we/they? Is he/she/it? We can contract the verb, especially when we're speaking. I am a shop assistant. = I'm a shop assistant. You are a good friend! = You're a good friend!

I just want it to be healthy. It felt so good to be home. He was getting to be quite a handsome young man. There had to be more. We'll have to be careful about that with the new baby. It's going to be all right, Cassie. He always wanted to be a veterinarian. Are you trying to be nice?

I just want it to be healthy. We must not be late. It had to be the new baby. But not a single person appeared to be in the room. It will be about the end of our adventures, I guess. I know you must be tired, so I will let you rest. There would be no selective reduction.

Note: In senses 1a through 1e, be functions as a simple copula or linking verb. I think, therefore I am. The book is on the table. Let him be. The concert was last night. … to thine and Albany's issue be this perpetual. William Shakespeare The money was found. The house is being built.