| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] for [det] | 198 |
|
| 2 | have been [v-ing] for years | 79 |
|
| 3 | been [v-ing] for [det] years | 37 |
|
| 4 | have been for [det] years | 34 |
|
