"welcome sb to do" vs "welcome sb do"

Hello everyone,

Which sentence is correct? If both of them are correct, is there a difference in nuance? Please help me out!

We welcome you to send us questions.

We welcome you send us questions.

Thank you for your help.

aikamama

“We welcome you to send us questions,” is correct.

It’s always “welcome to”.

Thank you for your quick reply!

I really appreciate your help!