Complete the sentences below. Use 'haven't or 'hasn't for negative sentences. haven't eaten 1. I'm really hungry because I (eat) 2. A: Mary (do) her homework? B: Yes, she we (see) that movie? I can't remember. —my cell phone! 4. Oh no! I (lose) 5. No, Pat and Sue (arrive) Mr. Smith (have) . They're not here. breakfast? in a plane before! 7. I'm nervous. I (fly) 8. A: he (call) ? B: No, he 9. you ever (write) — a poem? 10. I'm not happy. I still (find) 11. you (decided) 12. Sarah (read) 13. you (put) 14. It (rain) - 15. I think I (forget) my cell phone. what food you want to order? _ the magazine I gave to her? all your toys away? for a very long time. to buy some bread.

Here are the completed sentences using 'haven't' or 'hasn't':

1. I'm really hungry because I haven't eaten.
2. A: Has Mary (do) her homework?
   B: Yes, she has.
3. Haven't we (see) that movie? I can't remember.
4. Oh no! I haven't lost my cell phone!
5. No, Pat and Sue haven't arrived. They're not here.
6. Has Mr. Smith (have) breakfast?
7. I'm nervous. I haven't flown in a plane before!
8. A: Has he (call)?
   B: No, he hasn't.
9. Have you ever (write) a poem?
10. I'm not happy. I still haven't found my cell phone.
11. Haven't you (decide) what food you want to order?
12. Hasn't Sarah (read) the magazine I gave to her?
13. Have you (put) all your toys away?
14. It hasn't rained for a very long time.
15. I think I have forgotten to buy some bread.

Feel free to ask if you need any more help!