| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for many years | 63 |
|
| 2 | have been [vb pp] for many years | 50 |
|
| 3 | has been [verb] for many years | 27 |
|
| 4 | had been [verb] for many years | 18 |
|
| 5 | have been [verb] for many years | 15 |
|
| 6 | have been [v-ing] for many years | 13 |
|
| 7 | have been used for many years | 11 |
|
| 8 | have been use for many years | 11 |
|
| 9 | have been known for many years | 10 |
|
| 10 | have been know for many years | 10 |
|
