| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been [vb pp] [prep] [num] months | 12 |
|
| 2 | [adv] [been] [vb pp] for [num] months | 9 |
|
| 3 | not [been] [vb pp] [prep] [num] months | 7 |
|
| 4 | [not/n't] [been] [vb pp] [prep] [num] months | 7 |
|
| 5 | [adv] [been] [vb pp] [prep] [num] months | 5 |
|
| 6 | [adv] [been] [vb pp] [prep] three months | 5 |
|
