Simple, Compound and Complex Sentences Worksheet

Writing skills lesson 27: Complex sentences · Set 580 · 40 questions

Writing tip (One clause leans on the other): Find the clause that starts with because, although, if, when, since, who, which or that — the subordinate clause (When the rain stopped). On its own it is not a complete sentence. The rest is the main clause (we went out to play): it makes complete sense alone. Choose the joining word by meaning: because → a reason, although → a surprise, if → a condition, when → a time, since → from a time until now, who → a person, which → a thing, that → what someone says, thinks or knows. Sort any sentence: one clause → simple; two main clauses → compound; a main clause + a subordinate clause → complex.

1. 1.Which of these is a complex sentence? (a) Our neighbours grow tomatoes on their roof. (b) Our team practised hard, so we won the cup. (c) Isha jumped over the puddle and laughed loudly. (d) I know that the earth is round.
2. 2.What is the main clause in this sentence?
   “Although the box was small, it was very heavy.” (a) Although the box was small (b) it was very heavy (c) was very heavy
3. 3.Is this sentence simple, compound or complex?
   “Joseph painted a boat on the wall.” (a) complex sentence (b) simple sentence (c) compound sentence
4. 4.Choose the right joining word for the gap:
   “The book ___ I borrowed is about birds.” (a) which (b) who (c) if
5. 5.Is this sentence simple, compound or complex?
   “Isha jumped over the puddle and laughed loudly.” (a) simple sentence (b) compound sentence (c) complex sentence
6. 6.Choose the right joining word for the gap:
   “___ the test was hard, Zoya got full marks.” (a) Although (b) Which (c) Because
7. 7.Which of these is a complex sentence? (a) The plants died because nobody watered them. (b) You must wear a helmet, or you may get hurt. (c) The school band played the national anthem. (d) The puppy barked loudly and ran to the gate.
8. 8.Which of these is a complex sentence? (a) We stayed indoors because it was raining. (b) Our neighbours grow tomatoes on their roof. (c) I called Meera, but she did not answer. (d) The boys swam in the river and played on the bank.
9. 9.Choose the right joining word for the gap:
   “We thanked the man ___ found our dog.” (a) who (b) which (c) because
10. 10.Is this sentence simple, compound or complex?
    “Dad switched on the fan when it got hot.” (a) compound sentence (b) complex sentence (c) simple sentence
11. 11.Is this sentence simple, compound or complex?
    “I called Meera, but she did not answer.” (a) simple sentence (b) compound sentence (c) complex sentence
12. 12.What is the subordinate clause in this sentence?
    “When the light turned green, the cars moved.” (a) moved (b) the cars moved (c) When the light turned green
13. 13.Which of these is a complex sentence? (a) The boys swam in the river and played on the bank. (b) If you heat ice, it melts. (c) Farhan had a fever, yet he came to the match. (d) The doctor gave Omkar some medicine.
14. 14.Is this sentence simple, compound or complex?
    “The baby laughed at the clown and clapped her hands.” (a) simple sentence (b) complex sentence (c) compound sentence
15. 15.Which of these is a complex sentence? (a) The camel carried heavy bags across the sand. (b) It was late; the shops were closed. (c) You will catch the bus if you leave now. (d) Mum bought vegetables and paid the shopkeeper.
16. 16.Choose the right joining word for the gap:
    “The boy ___ won the race is my cousin.” (a) who (b) which (c) because
17. 17.Choose the right joining word for the gap:
    “Dev went to bed early ___ he was tired.” (a) because (b) although (c) who
18. 18.Is this sentence simple, compound or complex?
    “The monkeys stole bananas from the cart.” (a) compound sentence (b) complex sentence (c) simple sentence
19. 19.Is this sentence simple, compound or complex?
    “We have known Tara since we were in Class 1.” (a) compound sentence (b) simple sentence (c) complex sentence
20. 20.Choose the right joining word for the gap:
    “___ the light turned green, the cars moved.” (a) Although (b) Which (c) When
21. 21.What is the subordinate clause in this sentence?
    “Although Kabir was tired, he finished his homework.” (a) he finished his homework (b) Although Kabir was tired (c) finished his homework
22. 22.Which of these is a complex sentence? (a) The boy who won the race is my cousin. (b) A strong wind shook the mango trees. (c) Our cat is lazy; it sleeps all day. (d) Kavya sang a song and danced on the stage.
23. 23.Is this sentence simple, compound or complex?
    “Our teacher smiled at us and opened the book.” (a) complex sentence (b) compound sentence (c) simple sentence
24. 24.What is the main clause in this sentence?
    “The mango was sweet although it looked green.” (a) The mango was sweet (b) although it looked green (c) was sweet
25. 25.Is this sentence simple, compound or complex?
    “The lady who runs the library is very kind.” (a) compound sentence (b) complex sentence (c) simple sentence
26. 26.Choose the right joining word for the gap:
    “Grandma has lived here ___ she was a girl.” (a) who (b) although (c) since
27. 27.Choose the right joining word for the gap:
    “___ I opened the door, the cat ran in.” (a) When (b) Which (c) Although
28. 28.Is this sentence simple, compound or complex?
    “Kavya can swim, and her brother can swim too.” (a) complex sentence (b) compound sentence (c) simple sentence
29. 29.Is this sentence simple, compound or complex?
    “The crow dropped the stone and flew away.” (a) complex sentence (b) simple sentence (c) compound sentence
30. 30.Choose the right joining word for the gap:
    “Mum said ___ dinner was ready.” (a) although (b) who (c) that
31. 31.Choose the right joining word for the gap:
    “The mango was sweet ___ it looked green.” (a) because (b) which (c) although
32. 32.Is this sentence simple, compound or complex?
    “Rohan finished his homework and went to bed.” (a) complex sentence (b) simple sentence (c) compound sentence
33. 33.Is this sentence simple, compound or complex?
    “Although the box was small, it was very heavy.” (a) complex sentence (b) simple sentence (c) compound sentence
34. 34.What is the main clause in this sentence?
    “The girl who sits next to me is from Kochi.” (a) The girl is from Kochi (b) who sits next to me (c) is from Kochi
35. 35.Is this sentence simple, compound or complex?
    “Our cat is lazy; it sleeps all day.” (a) complex sentence (b) simple sentence (c) compound sentence
36. 36.Which of these is a complex sentence? (a) The bus which goes to Agra leaves at ten. (b) The bright stars twinkled in the night sky. (c) The road was wet, so Dad drove slowly. (d) Rohan finished his homework and went to bed.
37. 37.Choose the right joining word for the gap:
    “The kite ___ Dad made for me is red.” (a) if (b) who (c) which
38. 38.What is the main clause in this sentence?
    “You will catch the bus if you leave now.” (a) will catch the bus (b) You will catch the bus (c) if you leave now
39. 39.Which of these is a complex sentence? (a) We have known Tara since we were in Class 1. (b) The puppy barked loudly and ran to the gate. (c) The lights went out; we lit a candle. (d) Our school has a big library.
40. 40.Which of these is a complex sentence? (a) Our teacher smiled at us and opened the book. (b) Grandpa reads the newspaper every morning. (c) The mango was green, yet it was very sweet. (d) Riya wore a sweater because it was cold.

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