What’s the difference between in time and on time?

If you are on time, you are not late or haven’t missed a deadline.

On time in a sentence examples 
I have to leave now if I want to be on time for my appointment.

We have a reputation for completing projects on time.

My plane landed on time.

If you are in time, you are not too late for an event or not too late to do something (i.e., you still have the opportunity to do it, but you may be later than planned/arranged or have missed a deadline).

In time examples in a sentence
If we leave right now, we’ll get there in time for the start of the film.

The project will be completed in time for Christmas.

We got to the boarding gate just in time; they were about to close.

Knowing whether in vs on vs at is correct often depends on the specific context.

Use QuillBot’s free Grammar Checker to help you use these prepositions correctly in your writing.

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Is it log in or log on?

The phrasal verbs log on and log in are interchangeable and mean to “connect to a computer system” (e.g., “The password didn’t work when I tried to log on to my online banking”).

The nouns log-on and log-in are also interchangeable and mean the details (e.g., username and password) that you need to access a system.

Log on (verb) and log-on (noun) are the most common variants in American English.

Knowing whether in vs on vs at is correct often depends on the specific context.

Use QuillBot’s free Grammar Checker to help you use these prepositions correctly in your writing.

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Is it if I was or if I were?

Use “if I was” to refer to real, factual situations that have likely occured (e.g., “If I was unclear, I’ll clarify”).

Use “if I were” for hypothetical, imaginary, or contrary-to-fact situations (e.g., “If I were her, I’d go home”).

Remember, “if I was” is used in the indicative mood, while “if I were” is used in the subjunctive mood.

QuillBot’s Grammar Checker can ensure proper use of was and were in your writing. Give it a try!

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Is it I wish I was or I wish I were?

“I wish I were” is the grammatically correct phrase because it uses the past subjunctive form of “to be,” which is “were” (e.g., “I wish I were on vacation”). This form is used to express wishes or hypothetical situations contrary to reality.

However, “I wish I was” is becoming increasingly acceptable in casual speech and writing.

QuillBot’s free Grammar Checker can help you use “was and were” correctly in your writing. Try it today.

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Do you put a comma before or after therefore?

Therefore often needs a comma after it.

In American English, if “therefore” is used at the beginning of a sentence or independent clause, it needs a comma after it.

Therefore at the beginning of a sentence example
The office is closed next week. Therefore, there will be some delay in replying to emails.

Don’t put a comma before or after “and therefore” if it is part of a compound predicate (i.e., the two verbs are “sharing” the same subject).

Therefore in a compound predicate example
The product was damaged and therefore reduced in price. [Verbs sharing the subject, “the product”]

If you use “therefore” midsentence to deliberately “interrupt” the flow of a sentence for emphasis, it needs commas before and after it. But bear in mind that this will emphasize the information that comes before it.

Therefore used for emphasis example
The office is closed next week. Calls, therefore, will not be answered. [“Calls” is emphasized, e.g., to communicate that emails will be answered]

Note that therefore and therefor are two different words. “Therefor” doesn’t generally need commas before or after it.

Use QuillBot’s free Grammar Checker to help you punctuate “therefore” correctly in your writing.

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