How to Use: “Is” and “Are”.

Understanding the Difference Between "Is" and "Are"

Both words come from the verb "to be," but they serve different purposes depending on the subject of the sentence. Let’s check their correct usage and some common mistakes to avoid.

When to Use "Is"

Use "is" when the subject is singular. It is used with one person, one object, or an uncountable noun.

✅ Examples:

• The dog is barking.

• She is a doctor.

• This book is interesting.

• Water is essential.

When to Use "Are"

Use "are" when the subject is plural. It is used with multiple people, objects, or collective groups.

✅ Examples:

• The dogs are barking.

• They are doctors.

• These books are interesting.

• The people are excited.

Common Mistakes and How to Fix Them

❌ The cats is sleeping. → ✅ The cats are sleeping.
❌ He are happy. → ✅ He is happy.
❌ The students is learning. → ✅ The students are learning.

Special Cases to Remember

1. Uncountable nouns always use "is"

   • Milk is white.

   • The information is useful.

2. Collective nouns can be tricky

   • The team is winning. (The team is seen as a single unit.)

   • The police are investigating. (Police is considered plural.)

Final Tips

• If the subject is singular, use is.

• If the subject is plural, use are.

• Listen for the subject’s number (one vs. many) to decide which verb to use.

Understanding these differences will help you avoid common grammar mistakes and improve your English fluency.