The phrase "once they will" is not a grammatically correct phrase in written English.
You can use the phrase "once they do" instead. For example: "Once they do finish the task, they can move on to the next one."
Fake Americans don't count, but this Election Day, for once, they will not feel left out.
And if they are forced to ingest more than once, they will almost certainly be taken off of the streets.
After the card details are entered once, they will automatically be called up as choices for all future transactions.
"The Israelis think that if they use several channels at once, they will find cracks in the Palestinian position.
"Once they have done that once, they will push it a little further, and the slippery slope gets very slippery".
(Add fresh crumbs as needed. If you put them in the pan all at once, they will get damp and won't coat the oysters).
Someone said that they mourned this book once they'd finished, and I finally understand why.
Once they'd left, Smith offered his appraisal of their skills.
"If a guy gets hit once, they'll return again," he said.
I do it once, they'll keep asking me to do it".
"These freshmen, if they've met you once, they'll ask," said Ally Momo, 21, a Cornell senior.
