| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had [be] [prep] | 1940 |
|
| 2 | [pron] [be] working [prep] | 1224 |
|
| 3 | had [be] working [prep] | 156 |
|
| 4 | [pron] had [be] working | 133 |
|
