| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [pers pn] [vb base] been [v-ing] [prep] | 13 |
|
| 2 | years [pers pn] have been [v-ing] [prep] | 11 |
|
| 3 | years i [vb base] been [v-ing] [prep] | 7 |
|
| 4 | years we [vb base] been [v-ing] [prep] | 6 |
|
