Rachel Adams
Key Member
- Joined
- Nov 4, 2018
- Member Type
- Student or Learner
- Native Language
- Russian
- Home Country
- Georgia
- Current Location
- Georgia
I am confused by this sentence from "A Practical English Grammar Exercises" by A. J. Thomson and A. V. Martinet.
"The milk is sour. A: Do you keep milk a long time?
B: Are you keeping milk a long time?
C. Have you been keeping milk a long time?
D: Have you kept milk a long time?
The exercise asks to use either present simple or continuous, but are present perfect and present perfect continuous also correct depending on what I want to express?
"The milk is sour. A: Do you keep milk a long time?
B: Are you keeping milk a long time?
C. Have you been keeping milk a long time?
D: Have you kept milk a long time?
The exercise asks to use either present simple or continuous, but are present perfect and present perfect continuous also correct depending on what I want to express?