| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it have been [adj] [noun pl] | 10 |
|
| 2 | [subord] it had [been] [adj] [noun pl] | 9 |
|
| 3 | [subord] it have [been] [num] [noun pl] | 9 |
|
| 4 | [subord] it have [been] [adj] years | 9 |
|
