What happened first?

Choose

First: People ordered the book online.

Second: The book became available in stores.

• By the time people ordered the book online, the book became available in stores.

• By the time people ordered the book online, the book has already become available in stores.

• By the time the book became available in stores, people ordered the book online.

• By the time the book became available in stores, people had already ordered the book online.

Choose

First: I lived in the apartment for only a year.

Second: I moved again

• By the time I lived in the apartment for only a year, I had moved again

• By the time I had lived in the apartment for only a year, I moved again

• By the time I moved again, I had lived in the apartment for only a year.

Choose

First: We didn't leave the house

Second: The phone rang

• By the time the phone rang, we hadn't left the house.

• By the time we didn't leave the house, the phone had rung

Complete

First The thief left.

Second: Kim realized her wallet was missing.

When Kim realized her wallet was missing, the thief __________ already.

Complete

First He learned to cook.

Second: He moved into his own apartment.

He had already learned to cook by the time he________ into his own apartment.

Complete

First We paid for the hotel.

Second: We arrived at the hotel.

By the time we_________ at the hotel, we__________ for it.

Complete with all the posible answers

We use the past perfect tense .....

• when we talk about past situations

• to describe actions that occurred before another past action

• when we talk about past and present situations

• when we want to indicate the order in which past actions occurred.

Complete the rule...

In the past perfect we use the past form of the verb ____ as auxiliary verb and the ___________ of the main verb.