| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have [been] [verb] for years | 6 |
|
| 2 | that have [been] [verb] for years | 6 |
|
| 3 | [conj] have [been] [verb] for years | 6 |
|
| 4 | [that] have [been] [verb] for years | 6 |
|
| 5 | [conj] have been [verb] for years | 6 |
|
| 6 | [conj] have [been] [v-ing] for years | 5 |
|
