| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [det] years | 23 |
|
| 2 | have been [vb pp] for [det] years | 16 |
|
| 3 | have been [adj] for [det] years | 7 |
|
| 4 | have been known for [det] years | 7 |
|
| 5 | have been know for [det] years | 7 |
|
| 6 | have been [adj] for [det] years | 7 |
|
| 7 | have been [v-ing] for [det] years | 7 |
|
