1) I've already had three coffee IN this morning

2) I already had three coffee IN previous morning

3) I already had three coffee IN last morning


Should I use the preposition 'IN' in these sentences OR it's incorrect OR optional?

1 Answer 1


This/last/next morning is like tomorrow, yesterday, next week, last month. The in isn't required.

  1. I've already had three cups of coffee this morning. (Correct)

Notice the change from "three coffee" to "three cups of coffee".

  1. I already had three cups of coffee previous morning (Wrong)

With the "previous morning" we should include "the" and mostly a preposition isn't required but we could use "on" that is acceptable.

I already had three cups of coffee (on) the previous morning.

  1. I already had three cups of coffee last morning (Wrong)

Last morning might be understood but it isn't used in such context. The correct way to say this is "yesterday morning".

You could use "since" for the 2nd and 3rd sentences:

  • I already had three cups of coffee since the previous morning.
  • I already had three cups of coffee since yesterday morning.
  • 1
    I've just corrected the last sentence, turned it into the past simple because the main point of the question is preposition usage. Duly noted, thank you
    – Max
    Apr 17, 2017 at 9:00
  • 3
    last morning sounds unnatural, probably because this morning has already passed, so last morning would be the same as this morning.. Most people would say yesterday morning to describe the morning of the previous day.
    – JavaLatte
    Apr 17, 2017 at 11:08
  • 1
    @Davo There's no plural of coffees when speaking of cups.. coffees means varieties of coffee. However, it will be understood. Apr 17, 2017 at 11:48
  • 1
    I didn't use cups. Go and bring us back six coffees: four black and two light and sweet is perfectly normal usage. Cups of coffee is understood. Just like I drank three sodas this weekend doesn't imply that they were each a different flavor.
    – Davo
    Apr 17, 2017 at 13:06
  • 1
    @Dave That's why I say that it will be understood but it's not a dictionary meaning. It's like saying, "I put two sugars in my cup".. Why sugars and why in? Apr 17, 2017 at 13:29

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