| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [pron] [to-vb] [art] | 103 |
|
| 2 | is [prep] [pron] [to-vb] [art] | 31 |
|
| 3 | is [v-ing] [prep] [pron] [to-vb] | 27 |
|
| 4 | is [v-ing] [pron] [to-vb] [art] | 12 |
|
| 5 | is [v-ing] [prep] [pron] [art] | 8 |
|
