| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [pron] [be] [v-ing] | 2193 |
|
| 2 | [verb] it [be] [v-ing] | 1193 |
|
| 3 | [vb infin] it [be] [verb] | 261 |
|
