| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] [det] years | 128 |
|
| 2 | [been] [verb] for [det] years | 114 |
|
| 3 | [been] [vb pp] [prep] [det] years | 91 |
|
| 4 | [been] [verb] [prep] many years | 82 |
|
| 5 | [been] [v-ing] [prep] [det] years | 37 |
|
| 6 | [been] [verb] [prep] some years | 26 |
|
| 7 | [been] [verb] [prep] several years | 20 |
|
| 8 | [been] known [prep] [det] years | 15 |
|
| 9 | [been] know [prep] [det] years | 15 |
|
| 10 | [been] used [prep] [det] years | 14 |
|
| 11 | [been] use [prep] [det] years | 14 |
|
| 12 | [been] [verb] over [det] years | 12 |
|
| 13 | [been] establish [prep] [det] years | 5 |
|
| 14 | [been] established [prep] [det] years | 5 |
|
