| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at an [adj] [noun] | 662 |
|
| 2 | [verb] at an [adj] [noun sg] | 646 |
|
| 3 | [verb] at an [adj] [noun] | 607 |
|
| 4 | [vb pp] at an [adj] [noun] | 262 |
|
| 5 | [verb] at an early [noun] | 194 |
|
| 6 | [verb] at an early [noun] | 144 |
|
| 7 | [verb] at an [adj] stage | 123 |
|
| 8 | [verb] at an [adj] stage | 123 |
|
| 9 | [v-ing] at an [adj] [noun] | 117 |
|
| 10 | [verb] at an [adj] rate | 111 |
|
| 11 | [verb] at an [adj] rate | 111 |
|
| 12 | [vb past] at an [adj] [noun] | 96 |
|
| 13 | [to-vb] at an [adj] [noun] | 81 |
|
| 14 | [verb] at an [adj -er] [noun] | 52 |
|
| 15 | [verb] at an earlier [noun] | 50 |
|
| 16 | [verb] at an [adj] age | 45 |
|
| 17 | [verb] at an [adj] age | 45 |
|
| 18 | [vb -s] at an [adj] [noun] | 43 |
|
| 19 | [verb] at an annual [noun] | 38 |
|
| 20 | [verb] at an annual [noun] | 38 |
|
| 21 | [vb base] at an [adj] [noun] | 36 |
|
| 22 | arrive at an [adj] [noun] | 29 |
|
| 23 | grow at an [adj] [noun] | 28 |
|
| 24 | [vb infin] at an [adj] [noun] | 27 |
|
| 25 | [verb] at an [adj] level | 27 |
|
| 26 | [verb] at an alarming [noun] | 27 |
|
| 27 | [verb] at an [adj] level | 27 |
|
| 28 | [verb] at an alarming [noun] | 27 |
|
| 29 | look at an [adj] [noun] | 24 |
|
| 30 | [verb] at an [adj] pace | 21 |
|
