| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [verb] | 8047 |
|
| 2 | it [vb past] [vb infin] | 634 |
|
| 3 | it [vb past] do | 209 |
|
| 4 | [pron] [vb past] do | 122 |
|
| 5 | [pers pn] [vb past] do | 116 |
|
| 6 | it [verb] do | 21 |
|
| 7 | it [vb past] do | 7 |
|
