| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [vb pp] [prep] many years | 62 |
|
| 2 | have be [vb pp] [prep] many years | 62 |
|
| 3 | [verb] be [vb pp] for many years | 50 |
|
| 4 | [vb -s] be [vb pp] [prep] many years | 30 |
|
| 5 | has be [vb pp] [prep] many years | 30 |
|
| 6 | [vb base] be [vb pp] [prep] many years | 20 |
|
| 7 | have be [vb pp] [prep] many years | 17 |
|
| 8 | [verb] be used [prep] many years | 11 |
|
| 9 | [vb past] be [vb pp] [prep] many years | 11 |
|
| 10 | [verb] be [vb pp] over many years | 11 |
|
| 11 | had be [vb pp] [prep] many years | 11 |
|
| 12 | [verb] be known [prep] many years | 10 |
|
