| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] for many year | 73 |
|
| 2 | [be] [vb pp] for many years | 73 |
|
| 3 | [been] [vb pp] for many year | 54 |
|
| 4 | been [vb pp] for many year | 54 |
|
| 5 | [be] used for many year | 12 |
|
| 6 | [be] known for many year | 10 |
|
| 7 | [be] [vb pp] for many year | 9 |
|
| 8 | be [vb pp] for many year | 9 |
|
| 9 | [was/were] [vb pp] for many year | 9 |
|
| 10 | was [vb pp] for many year | 8 |
|
