| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] an [adj] [noun sg] | 162 |
|
| 2 | [v-ing] at an [adj] [noun sg] | 111 |
|
| 3 | is at an [adj] [noun sg] | 31 |
|
| 4 | is [v-ing] at [adj] [noun sg] | 20 |
|
| 5 | is [v-ing] at an [adj] | 11 |
|
