| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] [pers pn] for [adj] years | 18 |
|
| 2 | been [v-ing] [pers pn] [prep] [num] years | 16 |
|
| 3 | been [v-ing] it [prep] [adj] years | 12 |
|
| 4 | been doing [pers pn] [prep] [adj] years | 7 |
|
