Crossword Genius

Giving support to sentence existing now (3,3,4,5)

Ross

I believe the answer is:

for the time being

I'm a little stuck... Click here to teach me more about this clue!

'now' is the definition.
(I've seen this before)

'giving support to sentence existing' is the wordplay.
I cannot really understand how this works, but
'to' could be 'for' and 'for' is located in the answer.
'sentence' could be 'time' (a prison sentence) and 'time' is found in the answer.
'existing' could be 'being' ('be' can be a synonym of 'exist') and 'being' is found within the answer.
The remaining letters 'the' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

Can you help me to learn more?

(Another definition for for the time being that I've seen is " at the moment".)

I've seen this clue in The Telegraph.
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