| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | as it [be] get dark | 6 |
|
| 2 | as it [be] getting dark | 6 |
|
| 3 | as it be [verb] dark | 6 |
|
| 4 | as it [was/were] [verb] dark | 6 |
|
| 5 | as it [be] [verb] dark | 6 |
|
| 6 | as it [be] [v-ing] dark | 6 |
|
| 7 | as it was [verb] dark | 6 |
|
| 8 | as it [be] [verb] dark | 6 |
|
