| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be in a | 6400 |
|
| 2 | [vb infin] be a | 2741 |
|
| 3 | [vb infin] in a | 2364 |
|
| 4 | [vb infin] be in | 640 |
|
