| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at [pron] [prep] an | 11 |
|
| 2 | be [v-ing] at [pron] [prep] an | 11 |
|
| 3 | [was/were] [v-ing] at [pron] [prep] an | 8 |
|
| 4 | was [v-ing] at [pron] [prep] an | 5 |
|
| 5 | [v-ing] [adv] at [pron] [prep] an | 7 |
|
| 6 | [v-ing] [adv prt] at [pron] [prep] an | 6 |
|
| 7 | [v-ing] at [pron] [prep] an [noun sg] | 14 |
|
| 8 | [v-ing] at [pron] [prep] an [noun] | 14 |
|
| 9 | [v-ing] at [pron] [prep] an [adj] | 6 |
|
| 10 | [v-ing] at [pron] [prep] an [adj] | 6 |
|
