The phrase "substitute someone" is grammatically correct and can be used in written English
It means to take the place of someone or act as a replacement for someone. Example: "I'm sorry, I won't be able to attend the meeting. Can you substitute me with someone else from the team?"
Substitution If the individual can't substitute someone else to do their work, they may be regarded as an employee.
"It's not easy to substitute someone for a teacher who has been fired," said Dhari Rasheed Ali Yasseen, a non-Baathist professor in the department.
Last June, Urban Treatment Associates in Camden hired Mr. Devoureau as a part-time urine monitor; his job was to make sure that people recovering from addiction did not substitute someone else's urine for their own during regular drug testing.
You can substitute someone else's urine.
The women were suspended by track's world governing body, the International Association of Athletics Federations, which investigated suspicious Russian tests for more than a year and accused the seven athletes of illicitly substituting someone else's urine for their own in an attempt to subvert antidoping controls.
Fancy words are only impressive to other people with vast vocabularies, and substituting someone's name for a fake name only works if you provide enough detail to let the reader know who you are talking about.
There may be no substitute for someone who takes charge.
"There's no substitute for someone on the ground".
But then he continues, adding melody and alighting upon a rhyme that encourages us to hear the music in what came before: Ubiquitous and often heard As a substitute for someone's Christian name And I think yeah the word is ugly — all the same Ugly got a case to make His brief on behalf of ugliness is belied, naturally, by music that fails to be ugly in the least.
The most uncanny impersonation is, after all, an approximation, an interpretation, a shadow of, a substitute for, someone else's own irreplaceable greatness -- a greatness that is all over "Mr. Dynamite," from downbeat to fade out.
Teams are permitted to bring up to ten fighters with them, which results in first string and second string positions, as well as an ample supply of substitutes should someone get injured.
