Simple Explanation of When to Use "Yet," "Since," and "For":
1. "Yet"
Use: When talking about something that hasn’t happened but is expected or when asking if it has already happened.
Placement: Usually at the end of a sentence or question.
Examples:
-
Negative sentences: "I haven’t finished my homework yet."
-
Questions: "Have you eaten lunch yet?"
Tip: Use "yet" in the present perfect tense.
2. "Since"
Use: To talk about when an action started (a specific point in time).
Placement: After "since," mention a specific point in time (a year, date, or event).
Often used with: Present perfect tense.
Examples:
-
"I have lived in this city since 2010."
-
"We’ve been friends since high school."
Tip: Think of "since" as answering "from when?"
3. "For"
Use: To talk about the duration of time (how long an action has been happening).
Placement: After "for," mention a period of time (days, months, years, etc.).
Often used with: Present perfect tense.
Examples:
-
"I’ve been waiting for 2 hours."
-
"They have been married for 10 years."
Tip: Think of "for" as answering "how long?"
Quick Comparison:
-
"Since" = A starting point in time
(since 2015, since last night, since Monday) -
"For" = Duration of time
(for 2 weeks, for 3 years, for 20 minutes) -
"Yet" = Something expected that hasn’t happened or asking if it has
(not finished yet, have you seen it yet?)
Yet, Since, For
Yet, Since, For | Sprachschule Münster
1. Have you finished your homework ______?
yet
a) yet
b) since
c) for
2. She has lived in Paris ______ three years.
for
a) yet
b) since
c) for
3. I haven't seen her ______ last year.
since
a) yet
b) since
c) for
4. He has been studying English ______ six months.
for
a) yet
b) since
c) for
5. The sun hasn't set ______.
yet
a) yet
b) since
c) for
6. They have been friends ______ childhood.
since
a) yet
b) since
c) for
7. We have been waiting ______ an hour.
for
a) yet
b) since
c) for
8. I haven't found a new job ______.
yet
a) yet
b) since
c) for
9. She has been working on that painting ______ two days.
for
a) yet
b) since
c) for
10. It has been raining ______ this morning.
since
a) yet
b) since
c) for
11. I have had this car ______ five years.
for
a) yet
b) since
c) for
12. Have they arrived at the hotel ______?
yet
a) yet
b) since
c) for
13. He has changed a lot ______ I last saw him.
since
a) yet
b) since
c) for
14. They haven't decided ______.
yet
a) yet
b) since
c) for
15. We have been planning this trip ______ months.
for
a) yet
b) since
c) for
16. I haven't seen the new movie ______.
yet
a) yet
b) since
c) for
17. He has been playing the guitar ______ ten years.
for
a) yet
b) since
c) for
18. She hasn't called me back ______.
yet
a) yet
b) since
c) for
19. It's been cold ______ November.
since
a) yet
b) since
c) for
20. I have been feeling sick ______ a couple of days.
for
a) yet
b) since
c) for
21. They have been teammates ______ four seasons.
for
a) yet
b) since
c) for
22. We haven't started the project ______.
yet
a) yet
b) since
c) for
23. Has he replied to your email ______?
yet
a) yet
b) since
c) for
24. I have been feeling better ______ taking the medicine.
since
a) yet
b) since
c) for
25. We have been living in this house ______ 2015.
since
a) yet
b) since
c) for
26. He has been working here ______ 2010.
since
a) yet
b) since
c) for
27. They have been married ______ twenty years.
for
a) yet
b) since
c) for
28. Is dinner ready ______?
yet
a) yet
b) since
c) for
29. We haven't met ______ the conference.
since
a) yet
b) since
c) for
30. She has been learning Spanish ______ she was a child.
since
a) yet
b) since
c) for