| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] at a [noun] | 22 |
|
| 2 | it [vb -s] at a [noun sg] | 22 |
|
| 3 | it [verb] at a time | 11 |
|
| 4 | [pron] [vb -s] at a time | 8 |
|
| 5 | it [vb -s] at [art] time | 7 |
|
| 6 | it [vb -s] at [art] time | 7 |
|
| 7 | it [vb -s] [prep] a time | 6 |
|
| 8 | it [vb -s] [prep] a time | 6 |
|
| 9 | it [vb -s] at a time | 5 |
|
| 10 | it [vb -s] at a time | 5 |
|
| 11 | it [vb -s] at a time | 5 |
|
