| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [prep] [pron] [to-vb] | 278 |
|
| 2 | is [prep] [pron] [to-vb] | 161 |
|
| 3 | [vb base] is [prep] [pron] | 39 |
|
| 4 | [vb base] is [pron] [to-vb] | 9 |
|
