| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [verb] [prep] a | 282 |
|
| 2 | it [verb] been [verb] [prep] a | 282 |
|
| 3 | it [vb -s] been [verb] [prep] a | 186 |
|
| 4 | it 's been [verb] [prep] [art] | 96 |
|
| 5 | it 's been [verb] [prep] [art] | 96 |
|
| 6 | [pron] 's been [verb] [prep] a | 73 |
|
| 7 | [pers pn] 's been [verb] [prep] a | 62 |
|
| 8 | it 's been [verb] [prep] a | 44 |
|
| 9 | it 's been [verb] [prep] a | 42 |
|
| 10 | it 's [be] [verb] [prep] a | 42 |
|
| 11 | it 's [been] [verb] [prep] a | 42 |
|
| 12 | it 's be [verb] [prep] a | 42 |
|
