Grammar Detectives: Year 4 Sentence Skills
Year 4 | Ages 8–9 | Intermediate
Instructions: Read each sentence carefully and use the grammar clues to help you. Check that your verb forms are standard English, your fronted adverbials begin with a comma, and your nouns or pronouns make the meaning clear.
Choose the Standard Verb Form
Choose the verb form that makes each sentence standard English. Read the whole sentence before deciding.
1. Yesterday, we ___ at the museum.
2. The children ___ excited about the trip.
3. I ___ ready before breakfast.
4. You ___ very helpful yesterday.
5. My friends ___ in the playground after lunch.
Expand the Noun Phrase
Add suitable describing words before each noun and a phrase after it. Make each expanded noun phrase vivid and clear. Write your answer in the box.
1. the cat → Add two adjectives and a phrase beginning with with.
2. a castle → Add two adjectives and a phrase beginning with on.
3. the river → Add two adjectives and a phrase beginning with beside.
4. a bicycle → Add two adjectives and a phrase beginning with near.
5. the bird → Add two adjectives and a phrase beginning with in.
Fronted Adverbials
Choose a suitable fronted adverbial for each sentence. Copy the sentence with the adverbial at the beginning and put a comma after it.
Word bank: At sunrise, In the playground, Without warning, After the match, Carefully,
1. The class watched the sky turn pink.
2. The children played a game of tag.
3. The door swung open.
4. The team thanked their coach.
5. Mia carried the full jug across the room.
Make Nouns and Pronouns Clear
Replace the unclear or repeated word with a noun or pronoun that makes the meaning easy to follow. Write the improved sentence in the box.
1. Sam told Ben that he had won the race. Make clear that Sam won.
2. Ella put the book on the table, and it was wobbly. Make clear that the table was wobbly.
3. The dog chased the ball, but it rolled under the gate. Replace it with a noun so the reader knows what rolled.
4. Aisha gave Noor her pencil. Make clear that the pencil belonged to Aisha.
5. The coach spoke to the players because they were late. Make clear that the players were late.
Edit the Sentences
Each sentence has a grammar issue linked to this worksheet’s skills. Rewrite each sentence correctly, changing only what is needed.
1. We was waiting outside the library.
2. The small dog barked. Expand the noun phrase by adding two adjectives.
3. Before the bell rang the pupils lined up. Add the comma needed after the fronted adverbial.
4. Jack dropped the cup and it broke. Replace it with a noun to make the meaning clear.
5. At the end of the day we packed our bags. Add the missing comma after the fronted adverbial.
Write a Grammar-Rich Sentence
Write one sentence about a school trip. Begin with a fronted adverbial and follow it with a comma. Include an expanded noun phrase and use a noun or pronoun clearly. Check your sentence for standard English verb forms.
Write your sentence here:
Activity 1: were ; were ; was ; were ; were
Activity 2: Answers will vary. Example answers: the fluffy, ginger cat with bright green eyes ; a tall, grey castle on the rocky hill ; the wide, sparkling river beside the old mill ; a shiny, red bicycle near the school gate ; the tiny, blue bird in the leafy tree
Activity 3: At sunrise, the class watched the sky turn pink. ; In the playground, the children played a game of tag. ; Without warning, the door swung open. ; After the match, the team thanked their coach. ; Carefully, Mia carried the full jug across the room.
Activity 4: Sam told Ben, “I won the race.” ; Ella put the book on the wobbly table. ; The ball rolled under the gate. ; Aisha gave Noor Aisha’s pencil. ; The coach spoke to the players because the players were late.
Activity 5: We were waiting outside the library. ; The small, scruffy dog barked. ; Before the bell rang, the pupils lined up. ; Jack dropped the cup and the cup broke. ; At the end of the day, we packed our bags.
Activity 6: Answers will vary. Check for a fronted adverbial followed by a comma, an expanded noun phrase, a clear noun or pronoun, and standard English verb forms.
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