This printable exercise helps students practice sentence structure by filling in the blanks with the correct correlative conjunctions.

Here's the completed worksheet with explanations for each answer. The task is to fill in the blanks using either ... or (for choices between two options, usually positive or neutral) or neither ... nor (for negation — meaning “not this one and not that one”).

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✔ Completed Sentences:

1. Neither your brother nor your sister have got the time to play with you. They are studying.
→ *Explanation:* Both siblings are busy → negative situation → use neither...nor.

2. Either Sam or Helen will show you how the machine works. They know it perfectly.
→ *Explanation:* One of them will help → choice between two capable people → either...or.

3. If you need any help, ask either me or one of my colleagues.
→ *Explanation:* You have a choice: me OR someone else → either...or.

4. Neither Jack nor George know anything about gardening.
→ *Explanation:* Both lack knowledge → negative → neither...nor.

5. I wanted to go to the theatre next week, but neither my friends nor my sister had enough money.
→ *Explanation:* No one had money → negative → neither...nor.

6. You can choose any of your uncles. Either Fred or Jim can drive you home.
→ *Explanation:* You can pick one of two → either...or.

7. You can either stay here or go to the next village.
→ *Explanation:* Two options presented → either...or.

8. Neither recommendations nor threats have any effect on this boy. I don’t know what to do.
→ *Explanation:* Both methods failed → negative → neither...nor.

9. He neither ate nor drank anything. Poor thing!
→ *Explanation:* He did not eat AND did not drink → double negative → neither...nor.

10. Neither Pamela nor Rebecca knew the way. They got lost.
→ *Explanation:* Both were unaware → negative → neither...nor.

11. My brother neither phoned nor wrote to us. We were worried.
→ *Explanation:* He didn’t contact us in either way → neither...nor.

12. You can choose either bananas or pears. Any of them.
→ *Explanation:* Choice between two fruits → either...or.

13. Neither Sarah nor Charles studied anything for the exam so both of them failed it.
→ *Explanation:* Neither studied → negative → neither...nor.

14. Neither the gardener nor the maid killed them. Both were there at that time.
→ *Explanation:* The sentence implies both are innocent → negative → neither...nor. *(Note: This might be tricky — if “the maid killed them” is stated as fact, then this sentence contradicts itself. But based on grammar and context, we assume the intended meaning is that neither is guilty.)*

15. Neither your father nor I remember that telephone number, sorry.
→ *Explanation:* Both forget → negative → neither...nor.

16. We can buy either some meat or some fish, whatever you want.
→ *Explanation:* Choice between two food items → either...or.

17. You can go out with either Patrick or Samuel. Both of them are in love with you.
→ *Explanation:* You can choose one of two suitors → either...or. *(Note: The word “with” is added for natural English flow — the original blank doesn’t include it, but grammatically it’s needed. If strictly following the blank structure, just “either...or” fits.)*

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📝 Grammar Tip:

- Either...or = presents an alternative (one or the other is possible).
- Neither...nor = denies both options (neither one nor the other is true).

✔ All answers follow standard English usage and context clues from the sentences.

Let me know if you’d like a printable version or explanation for any specific sentence!