| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [adv] [adv] [vb pp] | 2852 |
|
| 2 | [noun] is often [adv] [vb pp] | 69 |
|
| 3 | [noun] is often [adv] [adv] | 33 |
|
| 4 | is often [adv] [adv] [vb pp] | 16 |
|
