Could you tell me as to whether you can join lunch with us? Could you tell me if you can join lunch with us? Could you tell me whether you can join lunch with us?
How are they different?
Top answer
Could you tell me as to whether you can join lunch with us? Could you tell me [if / whether] you can join us for lunch ? That’s a bit wordy, though.
— RandomGuy
Free · every Monday
Get the Weekly English Kit 📬
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.