| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it have been [verb] for | 41 |
|
| 2 | [subord] it have [been] [vb pp] for | 33 |
|
| 3 | [subord] it had [been] [verb] for | 19 |
|
| 4 | [subord] it has [been] [verb] for | 14 |
|
| 5 | if it have [been] [verb] for | 10 |
|
| 6 | as it have [been] [verb] for | 8 |
|
| 7 | [subord] it have [been] [v-ing] for | 8 |
|
| 8 | [subord] it 's [been] [verb] for | 7 |
|
| 9 | when it have [been] [verb] for | 5 |
|
