| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] [adv] [subord] | 1714 |
|
| 2 | is [vb pp] [adv] [adv] | 853 |
|
| 3 | is [vb pp] [adv] [subord] | 376 |
|
| 4 | is [adv] [adv] [subord] | 263 |
|
