Teacher: What is a sentence?
Student: A sentence is a group of words that expresses a complete thought.
Teacher: What are the two main parts of a sentence?
Student: A sentence has a subject (who/what the sentence is about) and a predicate (what is said about the subject).
Teacher: Can you give me an example?
Student: Yes. The boy runs. → Subject = The boy, Predicate = runs.
Teacher: Good. Now, how many types of sentences are there based on purpose?
Student: Four types:
1. Declarative – I like English.
2. Interrogative – Do you like English?
3. Imperative – Close the door.
4. Exclamatory – What a beautiful day!
Teacher: Excellent. What about sentence structure?
Student: There are four main structures:
1. Simple Sentence – She reads books.
2. Compound Sentence – I like tea, and he likes coffee.
3. Complex Sentence – I will go if it doesn’t rain.
4. Compound-Complex Sentence – I like tea, and he likes coffee because it keeps him awake.