| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [be] [v-ing] [noun pl] | 631 |
|
| 2 | [noun pl] had [be] [v-ing] | 435 |
|
| 3 | had [be] [v-ing] [noun pl] | 145 |
|
| 4 | [noun pl] had [be] [noun pl] | 43 |
|
