Simple, Compound and Complex Sentences Worksheet

Writing skills lesson 27: Complex sentences · Set 251 · 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.Choose the right joining word for the gap:
   “___ the light turned green, the cars moved.” (a) When (b) Although (c) Which
2. 2.What is the subordinate clause in this sentence?
   “We thanked the man who found our dog.” (a) who found our dog (b) We thanked the man (c) thanked the man
3. 3.Is this sentence simple, compound or complex?
   “The mango was green, yet it was very sweet.” (a) complex sentence (b) compound sentence (c) simple sentence
4. 4.Is this sentence simple, compound or complex?
   “Rohan finished his homework and went to bed.” (a) compound sentence (b) complex sentence (c) simple sentence
5. 5.Is this sentence simple, compound or complex?
   “When I opened the door, the cat ran in.” (a) compound sentence (b) complex sentence (c) simple sentence
6. 6.Choose the right joining word for the gap:
   “We thanked the man ___ found our dog.” (a) because (b) who (c) which
7. 7.Choose the right joining word for the gap:
   “___ Kabir was tired, he finished his homework.” (a) Although (b) Because (c) Which
8. 8.Is this sentence simple, compound or complex?
   “Isha jumped over the puddle and laughed loudly.” (a) simple sentence (b) complex sentence (c) compound sentence
9. 9.Is this sentence simple, compound or complex?
   “Kavya can swim, and her brother can swim too.” (a) simple sentence (b) compound sentence (c) complex sentence
10. 10.Choose the right joining word for the gap:
    “Dev went to bed early ___ he was tired.” (a) although (b) because (c) who
11. 11.Choose the right joining word for the gap:
    “Dad switched on the fan ___ it got hot.” (a) which (b) when (c) although
12. 12.Is this sentence simple, compound or complex?
    “Ananya passed the test, and her friends passed it too.” (a) simple sentence (b) compound sentence (c) complex sentence
13. 13.Is this sentence simple, compound or complex?
    “Our school has a big library.” (a) complex sentence (b) simple sentence (c) compound sentence
14. 14.Is this sentence simple, compound or complex?
    “The farmer ploughed the field and sowed the seeds.” (a) complex sentence (b) simple sentence (c) compound sentence
15. 15.Choose the right joining word for the gap:
    “___ you heat ice, it melts.” (a) Who (b) If (c) Although
16. 16.Which of these is a complex sentence? (a) Kavya sang a song and danced on the stage. (b) A strong wind shook the mango trees. (c) Imran wore a cap, and his brother wore one too. (d) The book which I borrowed is about birds.
17. 17.Choose the right joining word for the gap:
    “Kabir thinks ___ the test is easy.” (a) who (b) although (c) that
18. 18.What is the main clause in this sentence?
    “Riya has lived in Pune since she was five.” (a) has lived in Pune (b) since she was five (c) Riya has lived in Pune
19. 19.What is the subordinate clause in this sentence?
    “When the light turned green, the cars moved.” (a) moved (b) When the light turned green (c) the cars moved
20. 20.Choose the right joining word for the gap:
    “We have known Tara ___ we were in Class 1.” (a) although (b) who (c) since
21. 21.Which of these is a complex sentence? (a) The doctor gave Omkar some medicine. (b) We must leave now, or we will miss the train. (c) Although Kabir was tired, he finished his homework. (d) The baby laughed at the clown and clapped her hands.
22. 22.Is this sentence simple, compound or complex?
    “Riya wore a sweater because it was cold.” (a) compound sentence (b) complex sentence (c) simple sentence
23. 23.Which of these is a complex sentence? (a) The mango was sweet although it looked green. (b) The children flew kites on the terrace. (c) I was thirsty, so I drank some water. (d) The farmer ploughed the field and sowed the seeds.
24. 24.Is this sentence simple, compound or complex?
    “The bright stars twinkled in the night sky.” (a) compound sentence (b) complex sentence (c) simple sentence
25. 25.Choose the right joining word for the gap:
    “We hope ___ it will not rain.” (a) although (b) that (c) who
26. 26.What is the subordinate clause in this sentence?
    “The lady who runs the library is very kind.” (a) The lady is very kind (b) is very kind (c) who runs the library
27. 27.Which of these is a complex sentence? (a) The baker sold fresh bread to Imran. (b) Grandma peeled the peas and cooked a tasty curry. (c) You must hold the rail, or you may slip. (d) Although the box was small, it was very heavy.
28. 28.Is this sentence simple, compound or complex?
    “Mum said that dinner was ready.” (a) compound sentence (b) complex sentence (c) simple sentence
29. 29.Is this sentence simple, compound or complex?
    “Our class visited the science museum.” (a) compound sentence (b) simple sentence (c) complex sentence
30. 30.Is this sentence simple, compound or complex?
    “The boys swam in the river and played on the bank.” (a) complex sentence (b) compound sentence (c) simple sentence
31. 31.Which of these is a complex sentence? (a) The baby was asleep, so we spoke softly. (b) If you heat ice, it melts. (c) Diya washed her hands and sat at the table. (d) A little sparrow built a nest on our window ledge.
32. 32.Choose the right joining word for the gap:
    “The book ___ I borrowed is about birds.” (a) which (b) if (c) who
33. 33.Is this sentence simple, compound or complex?
    “We must leave now, or we will miss the train.” (a) complex sentence (b) compound sentence (c) simple sentence
34. 34.Is this sentence simple, compound or complex?
    “The house which has a blue door is ours.” (a) complex sentence (b) simple sentence (c) compound sentence
35. 35.Is this sentence simple, compound or complex?
    “Nisha was nervous, yet she sang beautifully.” (a) complex sentence (b) compound sentence (c) simple sentence
36. 36.Choose the right joining word for the gap:
    “___ it rains tomorrow, the match will be cancelled.” (a) Although (b) If (c) Who
37. 37.Which of these is a complex sentence? (a) A strong wind shook the mango trees. (b) Kavya sang a song and danced on the stage. (c) Riya loves maths; her brother loves art. (d) You will catch the bus if you leave now.
38. 38.Is this sentence simple, compound or complex?
    “Although Kabir was tired, he finished his homework.” (a) complex sentence (b) compound sentence (c) simple sentence
39. 39.What is the main clause in this sentence?
    “The lady who runs the library is very kind.” (a) The lady is very kind (b) who runs the library (c) is very kind
40. 40.What is the subordinate clause in this sentence?
    “Although the test was hard, Zoya got full marks.” (a) got full marks (b) Zoya got full marks (c) Although the test was hard

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