| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [to-vb] [adj] [noun pl] | 757 |
|
| 2 | is often [adj] [to-vb] [adj] | 34 |
|
| 3 | often [adj] [to-vb] [adj] [noun pl] | 28 |
|
| 4 | is often [adj] [to-vb] [noun pl] | 11 |
|
