| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] [prep] [pron] [to-vb] | 329 |
|
| 2 | it [adj] [prep] [pron] [to-vb] | 300 |
|
| 3 | is it [adj] [prep] [pron] | 63 |
|
| 4 | is it [prep] [pron] [to-vb] | 7 |
|
