English Grammar - By or Until? 

Thanks Emma. i remember it this way By has "B" means Before and Untill has "U" in it means Upto

Emma, you are my favorite in English Videos. You are very clear and I'm learning a lot with you. Thank you!

I'd been trying to understand how to distinguish until and by for a long time. Thank you for helping me with this video. It was really clear.

There is the best teaching English video for foreign in RU-vid .very clever.thank you.

Thank you, Emma! Very understandable video! By this video, I had seen some videos and examples on the internet and I didn't completely understand the differences between by and until. But now I do.

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What you're talking about is the Past Perfect and it's used to refer to an action in the past that happened shortly before another past action. Example:"I had worked until 7 pm that day when my sister came visit me."

I have seen lots of your videos on youtube and I really like them but what i like most is when you say "about" it's kinda cool and funny lol. Thank you so much for those videos, I got a good score at IELTS after I watched your videos .

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so where it was like" By the end of the year I will have been there" - as the future perfet.I was learn that way that when we have By we have to put "will have P.P."

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I will finished the learning this channel BY the end of this year, thanks Emma.

I work in a restaurant until 10 pm. ( the situation continue up to 10 pm ) I can relax by the time I back to school ( the situation before or at the certain time ) I have to return some stuff by the end of October ( the situation before or at the certain time )

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What's up with the subtitles??? It does not match the video "hell is a place fiery and hot." "who the hell on hell is that?"

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After thinking a lot, I got one more answer. The word " until " defines a VERB, it belongs to the verb while the word " by " it defines a NOUN. 1. I worked until 7.00 pm - What did i do until 7.00 pm ? - The answer is " worked " its a verb. 2. I need to return my movie by January 12th . - What I have to return by January 12th The answer is " movie " its a NOUN.

A very good explanation about using "by" and "until". Until now I know how to use them.

Great lesson + Excellent teacher= perfect comprehension.

I was unclear until I listen your class.Thanks.

thanks for your help teacher to get me out of the confusion between these two words.

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How I remembered. I look at the verb and if it means process before certain time, you should use "unill" (for example study, work and etc). If verb means something happend at or before particular time (for example finish. finish is not a process) you should use "by"

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Really clear, thank you. You and Adam are the best.

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ahhh... that my teachers didn´t teach me, thank you very much for share this lesson, thanks Emma.

Please explain the use of effect and affect as well. Thank you.

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please upload video of what are rules of using infinitive and gerunds

Very good explanation, about until and by, thanks.

Thanks ma'am, I did not understand the differences of "by" and "untill" but this video really worked on me, I have understood it properly. Ma'am I have a request that I have not understood FUTURE PERFECT CONTINUOUS TENSE prpperly, I saw many videos on this TENSE but did not understand it. IF you please post a video about this tense in RU-vid,of course, I must be benifited and also others will be benifited by your efforts. I humbly request you to help me. Thanks ma'am. Wasim Akram Halder

This lessson needs to be fully understood. The use of these two prepositions are really conceptual. (I’m not certain I use “ conceptual” correctl.)

I will be stay at the party.....midnight. I think This sentence is similar with the final example. I will be at the restaurant by/until 8 pm. But why must we use only until for the first example?.. Thank you

Thank you Emma, I have one questions - Why we not use "before/at/continue up to" , but we use " by/until"? It is for short's word? Or it is has another reson?

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Hi Madam, Kindly correct me if my below understanding is wrong. Your quick reply will be highly appreciated. 1) I need your report until Friday. Which one is correct, i) On Friday you can have it back ii) After Friday you can have it back. If ii) is correct then please describe the reason. 2) The store is closed until March. = In March the store opens. 3) I am here until 31st December 2021. = From 31st December 2021 I will not be here. 4) I am here until Friday. = From Friday I will not be here. 5) I am here until 2005. = From 2005 I will not be here.

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lecturer many thanks for your helping with clear words . iam from somalia know that?

@osx101 You will use 'by', as 'until which time' doesn't sound right. Also, by which time = by that time = at that time. If you want to use 'until', we will have to make some changes to your phrase, such as: "She will be here at five, and until she arrives, I expect you to have finished your work."

Can I say that " I studied at 7PM"? I think it is also right. If it is wrong, please explain me why it is wrong.

nice class, i understood the difference between them, really thanks

Thanks for you teatcher. Have a nice day.

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I think it could be " I'll have finished my homework by 4 pm" acceptable as well . Perhaps slight difference on meaning :)

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‘Leave up until December 10th can still be approved btw just from the 10th-25th.’ Does this make sense? Btw, 10th of December falls on Sunday. Please help!

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Thanks a lot Ma'am, this is very helpful!

Until=Hasta By=Before=Antes

Thank you very much! I alway don't kown how to use by.

We use "by " if we have to finish at any time before a certain date or time. And we use until if we have to finish at certain date or time not earlier not later. Am i right ?

thanks emma for you big work ..... it is very task ,also you get a perfect accent to undertand it.