| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at a | 550 |
|
| 2 | [be] [v-ing] at a | 550 |
|
| 3 | [noun] [v-ing] at a | 253 |
|
| 4 | [prep] [v-ing] at a | 211 |
|
| 5 | [prep] [v-ing] at a | 211 |
|
| 6 | [was/were] [v-ing] at a | 211 |
|
| 7 | was [v-ing] at a | 160 |
|
| 8 | [noun sg] [v-ing] at a | 151 |
|
| 9 | [am/are] [v-ing] at a | 121 |
|
| 10 | [conj] [v-ing] at a | 108 |
|
| 11 | [adv] [v-ing] at a | 107 |
|
| 12 | [is] [v-ing] at a | 106 |
|
| 13 | is [v-ing] at a | 97 |
|
| 14 | [adv] [v-ing] at a | 97 |
|
| 15 | are [v-ing] at a | 74 |
|
| 16 | [noun pl] [v-ing] at a | 73 |
|
| 17 | [coord] [v-ing] at a | 70 |
|
| 18 | [verb] [v-ing] at a | 68 |
|
| 19 | [be] [v-ing] at a | 63 |
|
| 20 | be [v-ing] at a | 63 |
|
| 21 | and [v-ing] at a | 52 |
|
| 22 | and [v-ing] at a | 52 |
|
| 23 | were [v-ing] at a | 51 |
|
| 24 | been [v-ing] at a | 49 |
|
| 25 | [been] [v-ing] at a | 49 |
|
| 26 | by [v-ing] at a | 43 |
|
| 27 | by [v-ing] at a | 43 |
|
| 28 | of [v-ing] at a | 43 |
|
| 29 | of [v-ing] at a | 43 |
|
| 30 | 're [v-ing] at a | 38 |
|
