| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] it [verb] | 4322 |
|
| 2 | [vb past] it [vb past] | 1503 |
|
| 3 | [vb past] [pron] did | 1385 |
|
| 4 | [verb] it did | 310 |
|
| 5 | [vb past] it do | 225 |
|
