| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [vb pp] | 29146 |
|
| 2 | [subord] [adv] [vb pp] | 3219 |
|
| 3 | [subord] is [adv] | 751 |
|
| 4 | [subord] is [vb pp] | 560 |
|
