1. Your voice is deeper than before.

(What is the opposite of 'deeper'?)

2. You have a deep bass voice.
3. You have a soprano voice.
4. You have a tenor voice.

(Are they all grammatical? Do you have some more expressions?)

1. higher

They are all grammatically correct.

Sra

1. The opposite of the word "deeper" is "shallower" or "more shallow." To find the opposite of a word, you can refer to a thesaurus, an online search engine, or a dictionary. These sources provide synonyms and antonyms, which can help you identify the opposite of a given word.

2. Yes, all the sentences you provided are grammatically correct. Sentence 2 describes having a deep bass voice, which refers to a low-pitched voice commonly associated with male singers or instruments. Sentence 3 refers to having a soprano voice, which is a high-pitched voice often associated with female singers. Lastly, sentence 4 describes having a tenor voice, which is a medium-range voice often associated with male singers.

Additional expressions related to voice could include:

- "You have a raspy voice" - Referring to a voice that sounds rough or hoarse.
- "You have a melodic voice" - Describing a voice that is pleasant and musical.
- "You have a booming voice" - Indicating a loud and resonant voice.
- "You have a soft-spoken voice" - Referring to a voice that is quiet and gentle.
- "You have a husky voice" - Describing a voice that is deep and slightly hoarse, often seen as attractive.

Remember, when encountering new expressions, you can always consult reference materials or search online to find their meanings and usage.