| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [be] [adv] [v-ing] at a | 30 |
|
| 2 | [noun] be [adv] [v-ing] at a | 30 |
|
| 3 | [noun] are [adv] [v-ing] at a | 12 |
|
| 4 | [noun] [am/are] [adv] [v-ing] at a | 12 |
|
| 5 | [noun] [was/were] [adv] [v-ing] at a | 10 |
|
| 6 | [noun] is [adv] [v-ing] at a | 8 |
|
| 7 | [noun] [is] [adv] [v-ing] at a | 8 |
|
| 8 | [noun] was [adv] [v-ing] at a | 7 |
|
