| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be at [adv] | 162 |
|
| 2 | it be at least | 127 |
|
| 3 | it be at least | 127 |
|
| 4 | it is at [adv] | 97 |
|
| 5 | it was at [adv] | 54 |
|
| 6 | it be at once | 24 |
|
| 7 | it be at once | 24 |
|
| 8 | it 's at [adv] | 12 |
|
