I Complete the sentences with the past perfect or simple past.

a. Tere
(feel) sick yesterday because he
(eat) too much.

b. When I
(get) to the classroom I discovered I
(forget my homework.

c. The bus
(leave) when we
(arrive) to the station.

d. Why
many people
(die) during World War II?
people
(get) influenza before scientists

a vaccine?


a. If you
2 Complete the sentences with the correct form of the verb to form the third conditional.
(ate not/be), you
(no/miss) the exam.

b. If Rose
c. I
(study) for the English exam she
(see) the teacher If I
(arrive) earlier.
d. If my mom
(go) to college, she
(study) law.

(travel) if I
(no/ take) the summer job.
(discover)


Put the words in order to make correct sentences.

a. they / Egyptians / tombs. / pyramids / them / The / built / because / as / used

b. Picchu. / couldn't / Spaniards / different / they / Peru / conquered / The / in / ancient / ,however,
/ Machu / destroy / places

c. them. / they / some / attack / didn't / of / When / afraid / them, / Spaniards / though / Mexico / to / arrived / the / even / central / people / were

d. yestering matter /a /interesting /As/ of / documentary / about / fact, /watched / global/ an

e. can / things / for / environment, / recycle / to / example / protect / the / several/ objects. / We/ do / different