Exercise Look at the groups of words below. Do you know which are sentences and which are not? put a checkmark in the space next to sentences, an, an \( x \) next to other word groups. 1 Mrs. Chen is a good teacher. 2 not well today 3 Do the work yourself. 4 How are you? 5 basic rules of grammar 6 bread and butter 7 Welcome to the National Zoo. 8 brush his teeth 9 toys in the box 10 more than one 17 What is the time now? 12 Sit down! 73 Please come here. 14 11 ark is slepnina

Below is one way of marking the list. A complete sentence usually includes a subject and a verb, expresses a complete thought, and (in writing) begins with a capital letter and ends with appropriate punctuation. Here’s how you might mark them: 1. Mrs. Chen is a good teacher.    ✓ 2. not well today            x 3. Do the work yourself.        ✓ 4. How are you?             ✓ 5. basic rules of grammar        x 6. bread and butter           x 7. Welcome to the National Zoo.    ✓ 8. brush his teeth            x 9. toys in the box            x 10. more than one             x 17. What is the time now?        ✓ 12. Sit down!               ✓ 73. Please come here.           ✓ 14. 11 ark is slepnina           x Each item marked with a checkmark (✓) is a complete sentence, while those marked with an x are not complete sentences.