| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] at [adv] [num] [noun] | 24 |
|
| 2 | [is] [verb] at [adv] [num] [noun pl] | 14 |
|
| 3 | [is] [verb] at least [num] [noun] | 12 |
|
| 4 | [is] [vb pp] at [adv] [num] [noun] | 12 |
|
| 5 | [is] [v-ing] at [adv] [num] [noun] | 9 |
|
| 6 | [is] [verb] at about [num] [noun] | 6 |
|
| 7 | [is] [verb] at [adv] [num] [n mass] | 5 |
|
