| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [prep] [det] years | 5 |
|
| 2 | [vb base] [been] for [det] years | 5 |
|
| 3 | [vb base] [been] [prep] [det] years | 5 |
|
| 4 | [vb base] [been] [prep] many years | 5 |
|
| 5 | [vb base] [been] for [det] years | 5 |
|
| 6 | have [been] [prep] [det] years | 5 |
|
