English for Beginners: Logical Reasoning

Dialogue

Current Situation: What is Logical Reasoning?

Logical reasoning is simply thinking clearly and making sense of things. It’s like being a detective for everyday problems! When you use logical reasoning, you connect ideas and facts to reach a conclusion or solve a puzzle.

• You use facts to understand why something happened.
• You think step-by-step to find a solution.
• You make smart guesses based on what you know.

Even though Alice’s logic in the dialogue was a bit funny, she was trying to use facts (Bob ate a sandwich, hands were full) to make a conclusion (keys might be in a strange place). It helps us understand the world around us and make good decisions, even finding lost keys!

Key Phrases

Here are some useful phrases from the dialogue:

• What’s wrong?
  Example: You look sad. What’s wrong?
• I can’t find them anywhere.
  Example: My glasses are gone! I can’t find them anywhere.
• Let’s use logic.
  Example: The light isn’t working. Let’s use logic to find out why.
• Logical deduction:
  Example: By logical deduction, if it’s raining, I need an umbrella.
• What does that have to do with anything?
  Example: You say my shirt is blue. What does that have to do with anything?
• By mistake.
  Example: I took your pen by mistake. Sorry!
• It’s not logical.
  Example: Eating ice cream for breakfast is not logical.

Grammar Points

Let’s look at some important grammar points for beginners:

1. Simple Present Tense

We use the simple present tense for facts, habits, and things that are generally true.

• Facts: Keys don’t move by themselves. My logic is flawless.
• Habits: People sometimes put keys in the fridge.

Example: The sun rises in the east. Cats like to sleep.

2. Can / Can’t

We use “can” to talk about ability (what you are able to do) and “can’t” (cannot) to talk about inability.

• Can: I can speak a little English.
• Can’t: I can’t find my keys. Keys can’t fly.

Example: Birds can fly. Fish can’t walk.

3. Question Words (What, Where)

We use these words to ask for specific information.

• What: Asks about a thing or action.
  Example: What’s wrong? What do you want?
• Where: Asks about a place.
  Example: Where did you last see them? Where is my phone?

4. Prepositions of Place (by, in, on, under, next to)

These small words tell us about the location or position of something.

• By: Near, next to.
  Example: The keys were by the door.
• In: Inside of.
  Example: They were in the vegetable crisper.
• On: Resting on a surface.
  Example: The book is on the table.
• Under: Below something.
  Example: The cat is under the bed.
• Next to: Beside.
  Example: My house is next to the park.

Practice Exercises

Exercise 1: Fill in the blanks with the best word/phrase from the list.

(what’s wrong, can’t, use logic, by mistake, not logical)

1. Oh no, I lost my wallet! I ______ find it anywhere.
2. My friend looks sad. I will ask him, “______?”
3. The car isn’t starting. Let’s ______ to figure out the problem.
4. I put salt in my coffee ______ this morning!
5. “Cats like water,” said Tom. “That’s ______!” replied Mary.

Answers:
1. can’t
2. What’s wrong?
3. use logic
4. by mistake
5. not logical

Exercise 2: Answer the questions based on the dialogue.

1. What is Bob’s problem at the beginning?
2. Where does Alice first suggest Bob saw his keys?
3. Where does Bob finally find his keys?
4. Does Bob think Alice’s fridge logic is always correct?

Answers:
1. He lost his keys.
2. By the door.
3. In the vegetable crisper (of the fridge).
4. No, he says “That’s not logical, Alice!”

Exercise 3: Use the correct preposition (in, on, under, next to, by).

1. The book is ______ the table.
2. My house is ______ the park. (meaning very close to)
3. The keys are ______ the fridge.
4. The cat is sleeping ______ the bed.
5. I put the mug ______ the sink.

Answers:
1. on
2. next to / by
3. in
4. under
5. in / by