| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [be] [v-ing] | 19186 |
|
| 2 | [conj] [be] [v-ing] | 6375 |
|
| 3 | [noun prp] [conj] [be] | 2472 |
|
| 4 | [noun prp] [conj] [v-ing] | 2043 |
|
