Grammar worksheets | PDF - Free Printable

Let’s go through each sentence one by one. We need to fill in the blank with the correct form of “to be” — that means: am, is, or are.

Remember:
- Use am only with “I”
- Use is with he, she, it, or singular nouns (like “my father”, “Alex”, “the pencil”)
- Use are with you, we, they, or plural nouns (like “Alex and Dino”, “the pencils”, “they”)

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1. I ___ a girl.
→ “I” always goes with am → I am a girl.

2. My father ___ at work.
→ “My father” = he → use is → My father is at work.

3. Alex and Dino ___ my cats.
→ Two people/animals = plural → use are → Alex and Dino are my cats.

4. Alex ___ in the garden.
→ Alex = one person → use is → Alex is in the garden.

5. Dino ___ on the floor.
→ Dino = one animal/person → use is → Dino is on the floor.

6. My red pencil ___ on the floor, too.
→ “pencil” = singular thing → use is → My red pencil is on the floor, too.

7. The other pencils ___ in my pencil case.
→ “pencils” = plural → use are → The other pencils are in my pencil case.

8. My mother ___ in the living room.
→ “mother” = she → use is → My mother is in the living room.

9. Eli and Rafa ___ good friends.
→ Two people = plural → use are → Eli and Rafa are good friends.

10. They ___ good at tennis.
→ “They” → always use are → They are good at tennis.

11. ___ they in Amsterdam this week?
→ Question with “they” → start with Are → Are they in Amsterdam this week?

12. The pupils ___ not at school today.
→ “pupils” = plural → use are → The pupils are not at school today.

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Final Answer:

1. am
2. is
3. are
4. is
5. is
6. is
7. are
8. is
9. are
10. are
11. Are
12. are