| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [conj] [pron] [is] [adv] | 60 |
|
| 2 | by [v-ing] [conj] [pron] [be] [adv] | 31 |
|
| 3 | by [verb] [conj] [pron] [is] [adv] | 13 |
|
