It was confirmed that discount received were 9500. However, the amount of...?

2016-12-11 10:25 am
discounts allowed had not yet been ascertained.
請問為什麼兩句的時態不同?

回答 (1)

2016-12-11 12:25 pm
When two actions happened in the past one after another, we use the past perfect tense for the first action.
was confirmed
were received
had been ascertained( v.to ascertain the true facts)

all show a completed action before a stated time in the past.


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