| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [v-ing] [prep] | 1919 |
|
| 2 | [be] [v-ing] [prep] [num] | 1445 |
|
| 3 | had [be] [prep] [num] | 112 |
|
| 4 | had [be] [v-ing] [num] | 24 |
|
