WE HAVEN’T FOUND ENOUGH EVIDENCE

 In this topic, we explore how to talk about evidence, investigation, and the need for more information. Sometimes, when people study a case or a strange event, they do not have enough facts to understand what really happened. We use negative forms, present perfect, and modal verbs to express this idea.

Examples:

• We haven’t found enough evidence.

• They can’t explain it clearly.

• We must look deeper into the mystery.

• She’s doing research to collect more data.

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🧠 GRAMMAR

1. Present Simple

   • They need more facts.

   • He believes in the story.

2. Present Continuous

   • We are still investigating.

   • She is talking to the witnesses.

3. Past Simple

   • They found strange lights in the sky.

   • He didn’t see anything unusual.

4. Present Perfect

   • We haven’t found enough evidence.

   • She has asked many questions.

5. Future (Will / Going to)

   • They will look for more clues.

   • We’re going to check the area again.

6. Modal Verbs

   • We must continue the investigation.

   • You shouldn’t make quick decisions.

   • They can’t understand it yet.

7. Comparatives and Superlatives

   • This case is more confusing than the last one.

   • It’s the most difficult investigation.

8. Adverbs and Prepositions

   • They are carefully checking the facts.

   • The answers are not clear at this moment.

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📚 VOCABULARY (10 Words with Definition)

Word	Definition
Evidence	Information that helps prove something
Fact	A true piece of information
Clue	A small detail that helps solve a mystery
Theory	An idea that explains something
Truth	What is real or correct
Investigation	The process of studying facts carefully
Mystery	Something that is not understood
Research	A study to learn more about something
Witness	A person who sees something happen
Proof	Strong evidence that shows something is true

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💬 USEFUL EXPRESSIONS

• We haven’t found enough evidence.

• There are still many questions.

• It doesn’t make sense yet.

• They are trying to understand it.

• She is asking for more information.

• They will keep looking.

• We must be patient.

• What are the facts?

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✏️ SENTENCES

Positive:

• She is studying the facts.

• They are going to find more clues.

Negative:

• We haven’t solved the case yet.

• They can’t understand the mystery.

Questions:

• Have they found enough evidence?

• What is missing from the report?

• Are they still working on the case?

Answers:

• No, they haven’t found enough yet.

• Yes, they are still investigating.

• They are missing key facts.

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🗣️ LONG CONVERSATION

Mia: Have the investigators finished their work?

Lucas: No, they haven’t found enough evidence.

Mia: That’s strange. I thought they had many clues.

Lucas: Some clues, yes. But nothing that really explains it.

Mia: So, what are they going to do?

Lucas: They will continue the research. They’re talking to new witnesses.

Mia: I hope they find the truth soon.

Lucas: Me too. This mystery is very confusing.

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📖 LONG READING

Title: Still Searching for the Truth

Last week, a team of scientists started investigating strange sounds in the forest. Many people reported hearing them at night. The team began collecting data and asking people questions. They found a few clues, but nothing strong.

Now, the scientists say: "We haven’t found enough evidence to explain the sounds." Some people think it might be animals. Others believe it could be machines. The scientists are planning to stay longer in the area. They will continue recording sounds and studying the environment.

They hope to find a clear answer soon, but for now, the mystery continues.

Questions and Answers:

1. What are the scientists investigating?
   → Strange sounds in the forest.

2. Have they found enough evidence?
   → No, they haven’t.

3. What are some people’s ideas?
   → Animals or machines.

4. What are the scientists going to do?
   → Stay longer and collect more data.

5. Is the mystery solved?
   → No, not yet.