| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] for [adj] years | 30 |
|
| 2 | [vb base] been [vb pp] for [det] years | 19 |
|
| 3 | [vb base] been [vb pp] for [num] years | 18 |
|
| 4 | [vb base] been [vb pp] for many years | 15 |
|
| 5 | [vb base] been [vb pp] for many years | 15 |
|
| 6 | [vb base] been known for [adj] years | 7 |
|
| 7 | 've been [vb pp] for [adj] years | 7 |
|
| 8 | [vb base] been [vb pp] for two years | 6 |
|
| 9 | [vb base] been [vb pp] for two years | 6 |
|
