| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [pers pn] have [been] [v-ing] [pron] | 9 |
|
| 2 | years [pers pn] have be [v-ing] [pron] | 9 |
|
| 3 | years [pers pn] have been [v-ing] [pron] | 9 |
|
| 4 | years [pers pn] have [be] [v-ing] [pers pn] | 5 |
|
