| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] for many years | 20 |
|
| 2 | had [vb pp] for many years | 19 |
|
| 3 | has [vb pp] for many years | 16 |
|
| 4 | have done for many years | 8 |
|
| 5 | have worked for many years | 7 |
|
| 6 | have had for many years | 6 |
|
| 7 | have known for many years | 5 |
|
