C-duo
Is this sentence correct? "I had not understood the problem until he explained it."
This sentence was found in New Concept English II.
"I had not understood the problem until he explained it."
Meanwhile, there is another sentence - "I did not understand the problem until he had explained it ."
Which sentence is correct?
2017년 9월 26일 오전 2:55
답변 · 2
Both sentences are correct.
"I had not understood the problem until he explained it." past perfect, simple past.
"I did not understand the problem until he had explained it ." simple present, past perfect
The meaning of these sentences is almost identical, so I wouldn't worry too much about it. For more information about when to use which verb tense, see: https://www.englishpage.com/verbpage/verbtenseintro.html
2017년 9월 26일
Hi C-duo,
Both sentences are fine, but you could also consider
'I did not understand the problem until he explained it'
I hope this helps,
Tom
2017년 9월 26일
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