be welcome to do

【问】 有人说You are welcome to come in.是中式英语。是这样吗?

【答】 You are welcome to do是标准的英语用法。例如：

1. You’re welcome to came in and have some tea. (Wood)

欢迎您进来，喝点茶。

2. You will always be welcome to come back. (EED)

任何时候都欢迎您回来。