| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] often [vb pp] [prep] the | 195 |
|
| 2 | [is] [adv] [vb pp] at the | 153 |
|
| 3 | [is] [adv] [vb pp] at the | 124 |
|
| 4 | [be] often [vb pp] at the | 14 |
|
| 5 | [is] often [vb pp] at [art] | 11 |
|
| 6 | [is] often [vb pp] at [art] | 11 |
|
| 7 | [is] often [vb pp] at the | 6 |
|
| 8 | [is] often [verb] at the | 6 |
|
| 9 | [is] often [vb pp] at the | 6 |
|
