difference between the past perfect and past perfect continuous

English as a Second Language English Vocabulary, Grammar and Idioms
1

Hi everybody, i’d like to know the difference between the past perfect and past perfect continuous. thanks. :smiley:

2

I suggest you read this: english-test.net/esl/lesson- … enses.html[YSaerTTEW443543]

TOEFL listening lectures: Why does the professor explain the history of coffee?[YSaerTTEW443543]

3

I want to thank you so much for the links … are really helpful…

4

You’re welcome ;-).[YSaerTTEW443543]

TOEFL listening lectures: Which of the following is true of biological indicators?[YSaerTTEW443543]