| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] not been [verb] for | 65 |
|
| 2 | [vb base] [adv] been [v-ing] for | 42 |
|
| 3 | [vb base] not been [v-ing] [prep] | 32 |
|
| 4 | [verb] not been [v-ing] for | 17 |
|
| 5 | [vb base] not be [v-ing] for | 9 |
|
| 6 | [vb base] not [been] [v-ing] for | 9 |
|
| 7 | [vb base] not [be] [v-ing] for | 9 |
|
