1、The present and past perfect tenses both belong to the perfect tense.
現(xiàn)在完成時(shí)和過(guò)去完成時(shí)都屬于完成時(shí)態(tài)。

2、B. Fill in the blanks with the past perfect or simple past tense of the verbs in brackets.
試用括號(hào)里動(dòng)詞的過(guò)去完成時(shí)態(tài)或一般過(guò)去時(shí)態(tài)來(lái)填充空格。

3、Learn to express something with Past Perfect Tense.
學(xué)習(xí)使用過(guò)去完成時(shí)態(tài)。