Make 10 sentence of same meaning for basic , intermediat and expert level of english speaker?

Sure, here are ten sentences that convey the same meaning but are structured to cater to different levels of English proficiency:

Basic Level:

1. He's my friend.
2. That's my pal.
3. I know him.
4. We are buddies.
5. She is a friend of mine.
6. He and I are friends.
7. She's someone I'm friendly with.
8. We're pals.
9. We're on good terms.
10. We have a friendly relationship.

Intermediate Level:

1. He and I share a strong friendship.
2. That gentleman and I have a close bond.
3. We're good friends who understand each other well.
4. We have a solid friendship going.
5. She and I have forged a meaningful connection as friends.
6. We've cultivated a genuine friendship over the years.
7. Our relationship has developed into a profound friendship.
8. He and I enjoy a deep and lasting friendship.
9. She is a dear friend with whom I share a strong connection.
10. We have a firm foundation of friendship.

 Expert Level:

1. Our camaraderie is built upon a foundation of shared experiences and mutual respect.
2. We have cultivated a profound sense of friendship, founded on trust and reliability.
3. Ours is a longstanding bond, characterized by a deep and abiding friendship.
4. Our friendship has grown over the years into a rich tapestry of shared memories and trust.
5. We've established an unbreakable connection, underpinned by unwavering trust and understanding.
6. Our connection is based on genuine friendship, where our loyalty to each other has never wavered.
7. The rapport between us is characterized by a profound and lasting friendship.
8. We've nurtured a robust and enduring friendship marked by mutual support and shared values.
9. Our connection has evolved into a mature and unwavering friendship, firmly grounded in shared principles.
10. We've developed a meaningful and enduring bond, founded upon the core tenets of trust, support, and mutual understanding.