| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] | 21170 |
|
| 2 | [noun prp] be [v-ing] | 19186 |
|
| 3 | [noun prp] [verb] be | 13241 |
|
| 4 | [noun prp] [verb] [v-ing] | 2835 |
|
