For (in english language)

• Forㅤ
  

• 
• Use for with different expressions to show the total time since an action started. You can use for with:
  

  -minutes

  -hours

  -days

  -weeks

  -months          

  -years
•  Click on the play button to hear the audio

• Minutes	She has waited in line for twenty minutes.*	Hours	They have been at the library for four hours.
  Days	I have worked on this task for three days.	Weeks	He has thought about his final exam for weeks.
  Months	They have been at college for five months.	Years	I have known Professor Smith for many years.

• Remember! You can use for with a specific amount of time (twenty minutes) or a general amount of time (years).

 

Source : Alison