| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] [vb pp] | 3616 |
|
| 2 | is [adv] [vb pp] [conj] | 3466 |
|
| 3 | [adv] [adv] [vb pp] [conj] | 3012 |
|
| 4 | is [adv] [adv] [conj] | 539 |
|
