4 Study the sentences from the quiz. Then choose the correct words in the rules.
1 By the time he returned to Venice in 1295,
Marco Polo had travelled almost 24,000 km.
2 Gagarin had flown in a plane hundreds
of times, but he had never flown in a
spacecraft.
RULES
a We form the past perfect with have /
had and a past participle.
b We form negative sentences with not or
ever / never
c We use the past perfect to talk about
an action that happened before / after
another action in the past.​

sema1422    1   25.02.2021 07:48    15