| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [to-vb] [prep] a | 284 |
|
| 2 | [adj] [to-vb] [pers pn] [prep] a | 261 |
|
| 3 | is [adj] [to-vb] [pers pn] [prep] | 198 |
|
| 4 | is [to-vb] [pers pn] [prep] a | 62 |
|
| 5 | is [adj] [to-vb] [pers pn] a | 20 |
|
