| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not been for [num] [noun] | 8 |
|
| 2 | not been for [adj] year | 6 |
|
| 3 | not be for [num] year | 6 |
|
| 4 | not [be] for [num] year | 6 |
|
| 5 | not been for [num] year | 5 |
|
| 6 | [adv] been for [num] year | 5 |
|
| 7 | not been [prep] [num] year | 5 |
|
| 8 | not been [prep] [num] year | 5 |
|
| 9 | not [been] for [num] year | 5 |
|
