| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what they [vb past] [prep] [det] [noun] | 9 |
|
| 2 | what they [vb past] [prep] [det] [noun] | 9 |
|
| 3 | what they did [prep] [det] [noun] | 5 |
|
| 4 | what they [vb past] [prep] [det] [noun sg] | 5 |
|
