| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb mod] [vb infin] be at | 12 |
|
| 2 | i [vb mod] have [be] at | 11 |
|
| 3 | i [vb mod] [vb infin] [been] at | 11 |
|
| 4 | i [vb mod] [vb infin] been at | 11 |
|
