| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] [be] [v-ing] in | 524 |
|
| 2 | [subord] [pron] had [be] [v-ing] | 402 |
|
| 3 | [subord] [pron] had [be] in | 236 |
|
| 4 | [pron] had [be] [v-ing] in | 154 |
|
