| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at [det] time | 302 |
|
| 2 | had be [vb pp] [det] time | 31 |
|
| 3 | had be [vb pp] at [det] | 27 |
|
| 4 | had [vb pp] at [det] time | 10 |
|
