"...be able to ..." with and/or without?

Both are very idiomatic in Helsinki English.

CB

Thanks for your reply, CB.

Not a doubt its equally idiomatic in the rest of the English world then. Just wondering. Is there any difference between the two?

Thank you again

PBF

If you are ABLE TO do something, I doesn't mean you do it.

I am able to sing the alphabet backwards, keeping the tune of the "alphabet song" from Sesame Street.

However, I don't often do it.

You may be ABLE to speak English at a near-native level, but if no one around you speaks or understands English, you probably won't.

If you say "When I go to California nex

I see. Thanks for the explanation, GG.

PBF

No doubt it's very tricky and difficult, CB.

My question was tricky enough. It can be construed in more than one way.

PeaceblinkfriendI was just wondering is it if/whether it is ungrammatical to say 'not a doubt' ? Because I remember hearing people say it. Though not very often at all.

It would be unidiomatic in Helsinki English as an opening phrase in a sentence.

Cool, Gramma Geek.

Ah, I see. Thank you for the explanation, Cool Breeze.

PBF