Introduction / Context:
This question tests tense sequence with “since” and present perfect. When “since” introduces a specific past point in time, the verb in that clause must be in the simple past. The main clause then naturally takes present perfect or present perfect progressive to indicate a continuing situation from that point until now.
Given Data / Assumptions:
- Marker “since” + time point: “last Saturday”.
- Main clause: present perfect progressive “has been contacting”.
- Subordinate clause has “meet” instead of “met”.
Concept / Approach:
- Rule: “since + past time point → simple past verb”.
- Therefore, “Since I met Dinesh last Saturday …”.
- Additionally, “every day” is two words; “everyday” is an adjective meaning “ordinary”. That appears in D but is often treated as style; the key tested error is the tense in A.
Step-by-Step Solution:
Change “meet” to “met”.Optional polish: write “every day” and “on the phone” for idiomatic usage.Final: “Since I met Dinesh last Saturday, he has been contacting me every day on the phone.”
Verification / Alternative check:
Test with another example: “Since I moved here, I have met many people.” Past in the “since”-clause; perfect in the main clause.
Why Other Options Are Wrong:
B and C fit the timeline.D contains a common spacing issue, but the grammar error under test is in A.
Common Pitfalls:
Using present tense after “since” with a definite past time marker.
Final Answer:
Since I meet
Discussion & Comments