Meaning: When the teacher smiles, the students are happy.
Choice of Words: Teacher's smile makes students happy.
Alternative Expressions
The teacher is smiling and the students are feeling glad.
Meaning: This means that right now, the teacher is happy and the students are also happy.
Choice of Words:The is used to specify a particular person or thing. Teacher is a person who teaches students. Is is a verb that means to exist or to be. Smiling means to show happiness or pleasure by turning up the corners of the mouth. And is used to connect two words, phrases, or clauses. The is used to specify a particular person or thing. Students are people who are learning from a teacher. Are is a verb that means to exist or to be. Feeling means to experience an emotion or sensation. Glad means to be happy or pleased. When you put them together, "The teacher is smiling and the students are feeling glad" means that the teacher is currently showing happiness and the students are currently feeling happy.
When the teacher smiles, the students are glad.
Meaning: This means that when the teacher is happy, the students become happy as a result.
Choice of Words:When is used to show that one event happens after another event. The is used to specify a particular person or thing. Teacher is a person who teaches students. Smiles means to show happiness or pleasure by turning up the corners of the mouth. The is used to specify a particular person or thing. Students are people who are learning from a teacher. Are is a verb that means to exist or to be. Glad means to be happy or pleased. When you put them together, "When the teacher smiles, the students are glad" means that after the teacher shows happiness, the students feel happy.