| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] at [art] time [prep] | 122 |
|
| 2 | [noun] [v-ing] at [art] time [prep] | 23 |
|
| 3 | [noun] existing at [art] [noun sg] [prep] | 11 |
|
| 4 | [noun] existing at [art] [noun] [prep] | 11 |
|
| 5 | [noun] exist at [art] time [prep] | 8 |
|
| 6 | [noun] existing at [art] time [prep] | 5 |
|
| 7 | [noun] existing [prep] [art] time [prep] | 5 |
|
| 8 | [noun] existing [prep] [art] time [prep] | 5 |
|
| 9 | [noun] existing at [art] time [prep] | 5 |
|
