| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] [adj] | 4474 |
|
| 2 | [is] [v-ing] [num] | 447 |
|
| 3 | [be] [v-ing] twenty | 41 |
|
| 4 | [is] [verb] twenty | 13 |
|
| 5 | [is] [v-ing] twenty | 7 |
|
