| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] at a [noun sg] | 133 |
|
| 2 | is [vb pp] at a [noun sg] | 80 |
|
| 3 | is [v-ing] at a [noun sg] | 44 |
|
| 4 | is [verb] at a rate | 20 |
|
| 5 | is [verb] at a time | 17 |
|
| 6 | is look at a [noun sg] | 10 |
|
| 7 | is looking at a [noun sg] | 8 |
|
| 8 | is [to-vb] at a [noun sg] | 6 |
|
| 9 | is growing at a [noun sg] | 6 |
|
| 10 | is grow at a [noun sg] | 6 |
|
| 11 | is [verb] at a level | 5 |
|
| 12 | is increase at a [noun sg] | 5 |
|
| 13 | is increasing at a [noun sg] | 5 |
|
| 14 | is sit at a [noun sg] | 5 |
|
| 15 | is [verb] at a point | 5 |
|
| 16 | is [verb] at a speed | 5 |
|
