unless he has already done so vs done so

Both phrases are correct, but they are used in different contexts. 'Unless he has already done so' is used when emphasizing a condition that needs to be met before something else can happen. 'Done so' can stand alone when referring to a previous action without emphasizing a condition.

Last updated: March 08, 2024 • 915 views

unless he has already done so

This phrase is correct and commonly used in English to emphasize a condition that needs to be met before something else can happen.

This phrase is used to indicate that a particular action must be completed before another action can take place. It emphasizes the completion of the action as a prerequisite.

Examples:

Please submit your report by Friday, unless he has already done so.
You can attend the meeting tomorrow, unless he has already done so.

Show examples from the web [+]

California and Respondent agrees that, unless he has already done so pursuant to the automatic suspension hereinbefore entered, to surrender and cause to ...
... of things it ought to have arrived in due time, the offeror, unless he has already done so, must without delay give notice to the other party of the delayed arrival.
... fees in respect of each claim over and above that number, unless he has already done so under Rule 45(1) or Rule 162(1) and Rule 162(2) (see A‑III, 9).
Every member of the Service, unless he has already done so, shall be required to take the oath of allegiance to India and to the Con- stitution of India as by ...

Alternatives:

unless he has done it already
unless he has completed it already
unless he has already completed it
unless he has already taken that step
unless he has already performed that task

done so

This phrase is correct and can stand alone when referring to a previous action without emphasizing a condition.

This phrase is used to refer to a previous action that has been completed or accomplished. It does not emphasize a condition that needs to be met.

Examples:

He has finished the project, done so ahead of schedule.
She completed the task, done so with great efficiency.

Show examples from the web [+]

What the fuck has Obama done so far? Tax credits for up to 29 million individuals to help pay for health insurance.
Deutsch-Englisch-Übersetzung für: I have done so. ä ö ü ß. DE <> EN, DE –> EN, EN –> DE, -----, DE <> EN, -----, DE <> BG, DE <> BS, DE <> CS, DE <> DA ...
Creators Of Viral Web Site 'What The F--k Has Obama Done So Far' Discuss Their Hit. Posted 05.25.2011 | Politics. Read More: Video, What the Fuck Has ...
link to this site: Matt Cornell, Matt Swagler. What in the fuck has Obama done so far? Cut a secret deal to kill the public option, while campaigning on its behalf.

Alternatives:

completed it
finished it
accomplished it
performed the task
achieved the goal

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unless he has already done so vs done so