| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pers pn] have [be] [v-ing] | 172 |
|
| 2 | they [vb past] [pers pn] [be] [v-ing] | 136 |
|
| 3 | they [vb past] [pers pn] have [be] | 33 |
|
