| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] at an [adj] [noun sg] | 141 |
|
| 2 | [adv] at an [adj] [noun sg] | 95 |
|
| 3 | [adv prt] at an [adj] [noun sg] | 45 |
|
| 4 | [adv] at an early [noun sg] | 34 |
|
| 5 | [adv] at an [adj] stage | 32 |
|
| 6 | [adv] at an [adj] rate | 19 |
|
| 7 | still at an [adj] [noun sg] | 15 |
|
| 8 | still at an [adj] [noun sg] | 15 |
|
| 9 | out at an [adj] [noun sg] | 12 |
|
| 10 | out at an [adj] [noun sg] | 12 |
|
| 11 | up at an [adj] [noun sg] | 11 |
|
| 12 | up at an [adj] [noun sg] | 11 |
|
| 13 | [adv] at an [adj] level | 10 |
|
| 14 | [adv] at an [adj] age | 8 |
|
| 15 | [adv] at an annual [noun sg] | 6 |
|
| 16 | [adv] at an [adj] moment | 5 |
|
| 17 | [adv] at an alarming [noun sg] | 5 |
|
| 18 | [adv] at an appropriate [noun sg] | 5 |
|
| 19 | [adv] at an experimental [noun sg] | 5 |
|
| 20 | [adv] at an [adj] angle | 5 |
|
| 21 | back at an [adj] [noun sg] | 5 |
|
| 22 | down at an [adj] [noun sg] | 5 |
|
| 23 | down at an [adj] [noun sg] | 5 |
|
| 24 | back at an [adj] [noun sg] | 5 |
|
