| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be many years | 61 |
|
| 2 | was [det] years | 54 |
|
| 3 | be some years | 43 |
|
| 4 | be [det] years | 39 |
|
| 5 | be several years | 24 |
|
| 6 | is [det] years | 15 |
|
| 7 | been [det] years | 11 |
|
| 8 | were [det] years | 7 |
|
