| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [vb pp] [conj] a [noun] | 76 |
|
| 2 | is often [vb pp] [conj] [art] [noun] | 39 |
|
| 3 | is often [vb pp] [conj] [art] [noun] | 39 |
|
| 4 | [be] often [vb pp] [conj] a [noun] | 14 |
|
| 5 | be often [vb pp] [conj] a [noun] | 14 |
|
| 6 | is often [vb pp] [conj] a [noun] | 10 |
|
| 7 | is often [verb] [conj] a [noun] | 9 |
|
| 8 | [is] often [vb pp] [conj] a [noun] | 9 |
|
