| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] [prep] a | 10681 |
|
| 2 | [is] [vb pp] [prep] a | 10681 |
|
| 3 | [be] [vb pp] in a | 8834 |
|
| 4 | [is] [vb pp] in [art] | 4985 |
|
| 5 | [is] [verb] in a | 1611 |
|
| 6 | [is] [vb pp] in a | 1402 |
|
