| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] what [was/were] [verb] on | 277 |
|
| 2 | [vb past] what [was/were] [verb] on | 71 |
|
| 3 | understand what [was/were] [verb] on | 19 |
|
| 4 | understood what [was/were] [verb] on | 5 |
|
| 5 | understood [pron] [was/were] [verb] on | 5 |
|
| 6 | understood what [was/were] [verb] [adv] | 5 |
|
| 7 | understood what [was/were] [verb] on | 5 |
|
| 8 | understood what [was/were] [verb] [adv prt] | 5 |
|
| 9 | understood what [be] [verb] on | 5 |
|
| 10 | understood [Wh det] [was/were] [verb] on | 5 |
|
