Is it correct to say hope you have found the lecture interesting?

The sentence "Hope you have found the lecture interesting" is grammatically correct, but it's not the most natural way to express that sentiment. Here's why:

* "Hope" is a bit too formal. It's more common to say "I hope" or "I'm hoping" when expressing a wish.

* "Found" can be a bit clunky. A more flowing phrase would be "enjoyed" or "found it interesting."

Here are some better alternatives:

* "I hope you enjoyed the lecture." (Most common and natural)

* "I'm hoping you found the lecture interesting." (Slightly more formal)

* "Did you find the lecture interesting?" (More direct and inviting)

Ultimately, the best choice depends on the context and your relationship with the person you are talking to.