| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [be] [v-ing] [prep] [noun sg] | 136 |
|
| 2 | had [be] [v-ing] [prep] [det] | 127 |
|
| 3 | [be] [v-ing] [prep] [noun sg] [det] | 55 |
|
| 4 | had [be] [prep] [noun sg] [det] | 12 |
|
