| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] [prep] [det] years | 44 |
|
| 2 | has [been] [verb] [prep] [det] years | 44 |
|
| 3 | has [been] [verb] for [det] years | 38 |
|
| 4 | has [been] [verb] for [det] years | 38 |
|
| 5 | has [been] [vb pp] [prep] [det] years | 37 |
|
| 6 | has [been] [verb] [prep] many years | 33 |
|
| 7 | has [been] [verb] [prep] some years | 8 |
|
| 8 | has [been] [v-ing] [prep] [det] years | 7 |
|
| 9 | has [been] used [prep] [det] years | 7 |
|
| 10 | has [been] use [prep] [det] years | 7 |
|
| 11 | has [been] [verb] over [det] years | 6 |
|
| 12 | has [been] know [prep] [det] years | 6 |
|
| 13 | has [been] [verb] over [det] years | 6 |
|
| 14 | has [been] known [prep] [det] years | 6 |
|
