| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be in [prep] an | 18 |
|
| 2 | [be] in for an | 17 |
|
| 3 | [was/were] in [prep] an | 7 |
|
| 4 | be in [prep] an | 5 |
|
| 5 | were in [prep] an | 5 |
|
| 6 | [am/are] in [prep] an | 5 |
|
| 7 | [be] in [prep] an | 5 |
|
