| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [verb] [conj] | 5011 |
|
| 2 | be [adv] [v-ing] [conj] | 1896 |
|
| 3 | [be] [adv] [v-ing] [conj] | 1896 |
|
| 4 | [is] [adv] [v-ing] [conj] | 450 |
|
