| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] there [is] [adv] a | 93 |
|
| 2 | [v-ing] [conj] [pron] [is] [adv] a | 13 |
|
| 3 | [v-ing] [conj] there [be] [adv] a | 13 |
|
| 4 | [v-ing] [conj] there [is] [adv] [art] | 10 |
|
| 5 | [v-ing] [conj] there [is] [adv] [art] | 10 |
|
| 6 | 10 |
|
|
| 7 | [v-ing] [conj] there [is] [adv] a | 8 |
|
