Past perfect or Simple Past: "I had [had] a hard day"
37239
What does "had had" mean? How does this differ from "had"?
122876
Simple past tense vs. perfect past tense
114784
Gerunds:Having+past participle and being+past participle
12613
How to use "had" correctly in a past perfect paragraph?
104764
Use of Past Simple vs Past perfect in sentences with since
60477
Is the past tense correct in "Did you know Fred was a doctor?"
153687
What tense should I use to describe something in the past but probably is still true?
33742
Does using "did" to form the past tense make a difference?
72419
Usage of past tenses with "wish"
10955
Past simple vs present perfect
81910
I had something done vs I got something done
21925
Why do people sometimes use the past perfect form of a verb when the past would suffice? (e.g. "you had mentioned")
18312
When is using the past perfect tense not necessary?
42961
Simple past or past perfect with "by" and years
150189
past continuous or past simple
142048
Conditionals (Past Tense)
74817
"Hard" vs. "hardly"