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N=2
1. of, to
2. to
3. of
4. up
5. to
6. behind
7. to

N=2
1) sense
2) smell
3) sleepy
4) awake
5)lifetime
6) common
7) research
8) list

N=3
1. visiting
2. going to the zoo On Sunday.
3. to take the letters to the post office.
4. reading people’s minds.
5. We were happy to see Phil at the cafe.
6. going for a walk along the beach.
7. to show his emotions.
8. stop making that sound, please ?