| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [vb pp] [prep] | 18374 |
|
| 2 | [adv] [vb pp] [prep] a | 10840 |
|
| 3 | is [vb pp] [prep] a | 8810 |
|
| 4 | is [adv] [prep] a | 790 |
|
| 5 | is [adv] [vb pp] a | 133 |
|
