| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] [det] year | 101 |
|
| 2 | [been] [vb pp] [prep] [det] year | 101 |
|
| 3 | [been] [vb pp] [prep] [det] years | 91 |
|
| 4 | [been] [vb pp] for [det] year | 80 |
|
| 5 | [been] [vb pp] for [det] year | 80 |
|
| 6 | [been] [vb pp] [prep] many year | 68 |
|
| 7 | [been] [vb pp] [prep] some year | 17 |
|
| 8 | [been] known [prep] [det] year | 15 |
|
| 9 | [been] used [prep] [det] year | 14 |
|
| 10 | [been] [vb pp] over [det] year | 12 |
|
| 11 | [been] [vb pp] over [det] year | 12 |
|
| 12 | [been] [vb pp] [prep] [det] year | 10 |
|
| 13 | [been] [vb pp] [prep] several year | 6 |
|
| 14 | [been] established [prep] [det] year | 5 |
|
