| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at the [det] [noun] | 56 |
|
| 2 | [is] [verb] at the [det] [noun] | 35 |
|
| 3 | [is] [v-ing] [prep] the [det] [noun] | 34 |
|
| 4 | [is] [v-ing] [prep] the [det] [noun] | 34 |
|
| 5 | [is] [v-ing] at the [adj] [noun] | 32 |
|
| 6 | [is] [v-ing] at [art] [det] [noun] | 7 |
|
| 7 | [is] [v-ing] at the [det] [noun] | 7 |
|
