| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be work in | 23 |
|
| 2 | [vb base] [be] work in | 23 |
|
| 3 | [vb base] been work in | 23 |
|
| 4 | [vb base] [been] work in | 23 |
|
| 5 | [vb base] [be] working in | 20 |
|
| 6 | 've [be] work in | 15 |
|
| 7 | have [be] work in | 8 |
|
