Present Perfect vs Past Perfect

Dr. Time is trapped inside a pyramid, and the only way to escape is to answer the Pharaoh’s riddle:

📌 Which sentence is correct?

• The archaeologists had discovered the tomb before they entered.

• The archaeologists have discovered the tomb before they entered.

Dr. Time arrives in the Renaissance period, but something is wrong! The famous artist Leonardo da Vinci is upset because his painting has disappeared! Solve this clue to find it.

📌 Choose the correct sentence:

• Someone has stolen the painting, and Leonardo is very angry!

• Someone had stolen the painting before Leonardo arrived at his studio.

Dr. Time escaped to the Medieval Ages but got locked inside a castle! He needs to answer this riddle to get the key.

📌 Choose the correct sentence:

• The knight has fought many battles and is now a hero.

• The knight had fought many battles and is now a hero.

Dr. Time is helping a famous detective solve a mystery! The detective found a secret note, but something had happened before that…

📌 Which sentence is correct?

• The detective had read the letter before he found the hidden key.

• The detective has read the letter before he found the hidden key.

Dr. Time is in a high-tech lab, where scientists are testing a powerful new formula. But something is missing…

📌 Which sentence is correct?

• The scientists have created a new medicine, but they are still testing it.

• The scientists had created a new medicine, but they are still testing it.

Dr. Time is in the Amazon Rainforest, where explorers are searching for a lost treasure. The only clue is a missing map!

📌 Which sentence is correct?

• The explorers have found an ancient map that leads to the treasure!

• The explorers had found an ancient map that leads to the treasure!

Dr. Time is investigating a museum robbery. The painting disappeared before the museum opened!

📌 Which sentence is correct?

• The thief has stolen the painting, and the police are searching for him.

• The thief had stolen the painting before the museum opened.