Past Perfect Tenses：練習問題

Complete the sentence using the Past Perfect tense:

After they ________ the kitchen, they watched TV.

When the students entered the classroom, they noticed that the teacher __________ (already / write) the vocabulary words on the blackboard.

Identify the sentence that correctly combines these two past events using the Past Perfect:

Event 1: The chef prepared the ingredients.
Event 2: The cooking competition started.

The living room was very messy because the children __________ with all their toys for hours.

Tom was very happy yesterday. He __________ (win) the first prize in the English speech competition before the award ceremony even started.

Read the short story below about a camping trip. Then, answer the questions, using the Past Perfect Tense for actions that happened before another past event.

Yesterday, a group of friends went on a camping trip. When they arrived at the campsite, they noticed that someone had already built a campfire, but it was out. The tent was also pitched, but the sleeping bags were missing. Sarah remembered that Mark promised to bring the sleeping bags, but he had not packed them before leaving home. Tom suggested that perhaps their other friend, Lily, had taken them to clean. Later, they found a note from Lily saying she had gone to the nearby stream to wash the sleeping bags and had left them to dry.

a) What specific action related to the campfire had occurred before the friends arrived at the campsite?

b) What was Mark's mistake regarding the sleeping bags before they left for the trip?

c) What had Lily done with the sleeping bags before the friends found her note?

Read the timeline of events regarding a school trip to a science museum. Then, complete the sentences by filling in the blanks with the correct form of the verbs in brackets. Use the Past Perfect (had + past participle) for the action that happened first and the Past Simple for the action that followed.

Timeline:
1. The teacher bought the tickets online.
2. The bus arrived at the school gate.
3. The students boarded the bus.
4. The rain stopped.

a) By the time the bus arrived at the school, the teacher __________ (already / buy) the tickets. (2 points)

b) The students boarded the bus only after the rain __________ (stop). (2 points)

Read the following sequence of events regarding a school trip to a farm and answer parts (a), (b), and (c).

1. The bus driver checked the engine.
2. The students boarded the bus.
3. The bus started the journey to the farm.

a) Based on the sequence, which action happened first? (1 point)

b) Combine events 1 and 2 into one sentence using the word 'before' and the Past Perfect tense. (2 points)

c) Rewrite the following sentence using the Past Perfect tense to show that the rain happened first:
The ground was wet. It rained all night. (2 points)