| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not go to sleep | 28 |
|
| 2 | not [vb infin] to sleep | 21 |
|
| 3 | not go to sleep | 21 |
|
| 4 | n't [verb] to sleep | 20 |
|
| 5 | not [verb] to sleep | 8 |
|
| 6 | not going to sleep | 6 |
|
| 7 | not [v-ing] to sleep | 6 |
|
