| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] [be] [art] | 865 |
|
| 2 | [adv] [vb pp] [prep] [be] [art] | 677 |
|
| 3 | [adv] is [vb pp] [prep] [art] | 215 |
|
| 4 | [adv] is [vb pp] [prep] [be] | 31 |
|
