| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [v-ing] [noun sg] | 233 |
|
| 2 | had [been] some [noun sg] | 66 |
|
| 3 | [been] [v-ing] some [noun sg] | 55 |
|
| 4 | had [been] [v-ing] some | 29 |
|
