| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] [is] [adv] [v-ing] | 793 |
|
| 2 | be [conj] [pron] [is] [adv] | 430 |
|
| 3 | be [conj] [pron] [is] [v-ing] | 83 |
|
| 4 | be [pron] [is] [adv] [v-ing] | 23 |
|
