What's the grammatical usage/function of to have+past participle? Is it used for politeness?
Could someone please explain it to me?
Example: Sorry to have bothered you.
". Is a polite introduction to a request of some kind. For example, your colleague is busy with a task and you need their help.
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"Sorry to bother you...". Is a polite introduction to a request of some kind.
For example, your colleague is busy with a task and you need their help. You might say, "Sorry to bother you when you're busy but could you just explain to me..."
You would say Sorry to have bothered you after you have interrupted them to make a request.
For example, after the colle