| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] [been] [verb] [prep] | 1243 |
|
| 2 | it [vb -s] [been] [verb] [prep] | 1243 |
|
| 3 | [pron] [vb -s] [been] [verb] for | 450 |
|
| 4 | it [verb] [been] [verb] for | 222 |
|
| 5 | it [vb -s] [be] [verb] for | 158 |
|
| 6 | it [vb -s] [been] [verb] for | 156 |
|
