| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] [prep] [det] | 692 |
|
| 2 | what they [vb past] [prep] | 483 |
|
| 3 | what [vb past] [prep] [det] | 142 |
|
| 4 | what they [vb past] [det] | 13 |
|
