| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] [been] [verb] [adv] [prep] | 126 |
|
| 2 | it have [been] [verb] [adv] [prep] | 126 |
|
| 3 | it [vb -s] [been] [verb] [adv] [prep] | 74 |
|
| 4 | it 's [been] [verb] [adv] [prep] | 70 |
|
| 5 | [pron] 's [been] [verb] [adv] [prep] | 46 |
|
| 6 | it 's [be] [verb] [adv] [prep] | 23 |
|
| 7 | it 's [been] [verb] [adv] [prep] | 23 |
|
