| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [been] [verb] [prep] | 1976 |
|
| 2 | but it [verb] [verb] [prep] | 184 |
|
| 3 | but it [verb] [been] [verb] | 152 |
|
| 4 | but [verb] [been] [verb] [prep] | 131 |
|
| 5 | but it [verb] [been] [prep] | 17 |
|
