| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [conj] [verb] | 2703 |
|
| 2 | be [v-ing] [conj] [verb] | 1769 |
|
| 3 | [be] [v-ing] [conj] [verb] | 1769 |
|
| 4 | [is] [v-ing] [conj] [verb] | 257 |
|
