Name: _______________________________
Simple Subjects and Predicates Worksheet 2
In the Science Lab!

Directions: Underline the simple subjects and circle the simple predicates.

Simple Subjects: smallest noun, pronoun, or gerund that takes an action.
Simple Predicates: verbs or verb phrase reduced to its smallest form.

1. David worked feverishly in the science lab.
2. Clouds of smoke filled the air.
3. Mumbling to himself in a low voice, David wrote equations on his pad.		
4. None of his formulas had worked so far.
5. The determined scientist refused to quit.
6. Late into the evening hours, he carefully mixed hazardous chemicals.
7. The problems facing him were big and difficult.
8. Success for David was not a sure thing, not by a long shot.
9. He loved taking risks in his field of study though.
10. Through it all David believed in the importance of his work.
11. Curing smelly feet would make the world a better place.
12. A chalky mist swirled over his beaker.
13. Under the twinkling stars and shimmering moonlight, David placed the beaker into his science oven.
14. The clock ticked slowly for the eager David. 
15. After putting on protective gear, David sniffed inside the science oven.
16. The foul stench of moldy cheese and sulfur danced wickedly in his nostrils. 
17. Holding back his illness, David poured the wretched chemical mixture into his vat of failures.
18. Some of the failures smelled better than others.
19. Yet, success continued to evade David the dedicated scientist.
20. One of these days, David will find the cure for smelly feet.
21-25.  Write five of your own sentences on the back of this sheet.  
Underline your simple subjects and circle your simple predicates.