| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [adv] [subord] [adj] | 55 |
|
| 2 | [vb pp] [adv] [subord] [to-vb] [adj] | 46 |
|
| 3 | is [vb pp] [adv] [to-vb] [adj] | 29 |
|
| 4 | is [vb pp] [adv] [subord] [to-vb] | 21 |
|
