| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [verb] for [adj] years | 9 |
|
| 2 | it have [vb pp] for [adj] years | 9 |
|
| 3 | it have [be] for [adj] years | 7 |
|
| 4 | it have [been] for [adj] years | 7 |
|
| 5 | it have be for [adj] years | 7 |
|
| 6 | it have been for [adj] years | 7 |
|
