| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun sg] [adv] | 1890 |
|
| 2 | at a [noun sg] [Wh adv] | 1497 |
|
| 3 | at a [noun sg] when | 1379 |
|
| 4 | at a time [adv] | 1379 |
|
| 5 | at a [noun sg] when | 1379 |
|
| 6 | at a [noun sg] [adv] | 352 |
|
| 7 | at a [noun sg] where | 105 |
|
| 8 | at a [noun sg] where | 105 |
|
| 9 | at a point [adv] | 39 |
|
| 10 | at a meeting [adv] | 27 |
|
| 11 | at a rate [adv] | 27 |
|
| 12 | at a level [adv] | 25 |
|
| 13 | at a [noun sg] [adv prt] | 21 |
|
| 14 | at a place [adv] | 21 |
|
| 15 | at a [noun sg] [not/n't] | 20 |
|
| 16 | at a [noun sg] not | 20 |
|
| 17 | at a stage [adv] | 20 |
|
| 18 | at a [noun sg] not | 20 |
|
| 19 | at a moment [adv] | 19 |
|
| 20 | at a [noun sg] just | 19 |
|
| 21 | at a [noun sg] just | 19 |
|
| 22 | at a price [adv] | 17 |
|
| 23 | at a [noun sg] so | 15 |
|
| 24 | at a [noun sg] so | 15 |
|
| 25 | at a [noun sg] now | 12 |
|
| 26 | at a [noun sg] now | 12 |
|
| 27 | at a date [adv] | 11 |
|
| 28 | at a cost [adv] | 11 |
|
| 29 | at a [noun sg] yesterday | 10 |
|
| 30 | at a [noun sg] yesterday | 10 |
|
