| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not [vb infin] back | 226 |
|
| 2 | not [v-ing] back | 147 |
|
| 3 | not come back | 132 |
|
| 4 | not go back | 128 |
|
| 5 | not [vb pp] back | 76 |
|
| 6 | not coming back | 55 |
|
| 7 | not go back | 53 |
|
| 8 | not [to-vb] back | 53 |
|
| 9 | not going back | 50 |
|
| 10 | not look back | 46 |
|
| 11 | not come back | 38 |
|
| 12 | not come back | 27 |
|
| 13 | not look back | 22 |
|
| 14 | not get back | 20 |
|
| 15 | not hold back | 18 |
|
| 16 | not get back | 16 |
|
| 17 | not to go back | 14 |
|
| 18 | not [vb base] back | 13 |
|
| 19 | not to come back | 12 |
|
| 20 | not turn back | 11 |
|
| 21 | not looking back | 10 |
|
| 22 | not hold back | 9 |
|
| 23 | not sit back | 9 |
|
| 24 | not smile back | 8 |
|
| 25 | not turn back | 8 |
|
| 26 | not fall back | 8 |
|
| 27 | not sit back | 7 |
|
| 28 | not fight back | 7 |
|
| 29 | not bring back | 7 |
|
| 30 | not expected back | 6 |
|
