| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [was/were] [v-ing] [prep] | 1483 |
|
| 2 | [vb past] they [was/were] [v-ing] | 338 |
|
| 3 | [vb past] they [was/were] [prep] | 97 |
|
| 4 | [vb past] [was/were] [v-ing] [prep] | 49 |
|
