| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was at a [noun sg] | 203 |
|
| 2 | is at a [noun sg] | 126 |
|
| 3 | be at a loss | 95 |
|
| 4 | be at a [noun sg] | 87 |
|
| 5 | be at a premium | 62 |
|
| 6 | are at a [noun sg] | 58 |
|
| 7 | be at a disadvantage | 54 |
|
| 8 | were at a [noun sg] | 51 |
|
| 9 | be at a time | 29 |
|
| 10 | been at a [noun sg] | 28 |
|
| 11 | be at a party | 27 |
|
| 12 | be at a standstill | 19 |
|
| 13 | be at a meeting | 18 |
|
| 14 | be at a minimum | 17 |
|
| 15 | 's at a [noun sg] | 17 |
|
| 16 | be at a stage | 16 |
|
| 17 | 're at a [noun sg] | 14 |
|
| 18 | be at a maximum | 14 |
|
| 19 | am at a [noun sg] | 13 |
|
| 20 | be at a crossroads | 13 |
|
| 21 | being at a [noun sg] | 11 |
|
| 22 | be at a peak | 10 |
|
| 23 | 'm at a [noun sg] | 10 |
|
| 24 | be at a height | 8 |
|
| 25 | be at a conference | 7 |
|
| 26 | be at a record | 7 |
|
| 27 | be at a place | 7 |
|
| 28 | be at a rate | 7 |
|
| 29 | be at a level | 7 |
|
| 30 | be at a dinner | 6 |
|
