If the action after before is a new action, use Simple Past
For example, I had taken two doses of medicine before the fever vanished
For question sentences, we exchange the subject and the auxiliary verb
The past perfect continuous tense (also known as the past perfect progressive tense) shows that an action that started in the past continued up until another time in the past
The past perfect (sometimes also called pluperfect) is a tense in English that expresses the so to speak past before the past which means events that happened earlier than subsequent events
The Past Perfect Tense We dont use the past perfect a lot in English, but it is useful, and it sounds very good if you can use it correctly
( Simple Past Tense + Simple Past Tense) Therefore complex sentences can be expressed as combination of Past Perfect and Simple Past or only Simple Past Tense sentences with use of conjunctions i
] 3) When I (get) to the airport I discovered I had forgotten my passport
The past perfect tense is formed by had + past participle
The simple past and the past perfect, also past perfect simple, both express completed actions that took place in the past
thanks anyway! A worksheet on Present Perfect and Past Simple, since and for
Multiple choice questions and complete the sentences exercise about past tenses