| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [conj] [adj] [noun] | 312 |
|
| 2 | is often [vb pp] [conj] [noun] | 55 |
|
| 3 | often [vb pp] [conj] [adj] [noun] | 50 |
|
| 4 | is often [vb pp] [conj] [adj] | 35 |
|
| 5 | is often [vb pp] [adj] [noun] | 6 |
|
