| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was at the [noun sg] | 808 |
|
| 2 | is at the [noun sg] | 631 |
|
| 3 | be at the [noun sg] | 530 |
|
| 4 | are at the [noun sg] | 324 |
|
| 5 | were at the [noun sg] | 321 |
|
| 6 | been at the [noun sg] | 316 |
|
| 7 | be at the heart | 224 |
|
| 8 | be at the centre | 209 |
|
| 9 | be at the end | 195 |
|
| 10 | 's at the [noun sg] | 159 |
|
| 11 | be at the moment | 159 |
|
| 12 | be at the top | 147 |
|
| 13 | be at the forefront | 143 |
|
| 14 | be at the time | 138 |
|
| 15 | be at the bottom | 128 |
|
| 16 | be at the back | 97 |
|
| 17 | be at the root | 82 |
|
| 18 | be at the mercy | 77 |
|
| 19 | being at the [noun sg] | 74 |
|
| 20 | be at the beginning | 67 |
|
| 21 | 're at the [noun sg] | 60 |
|
| 22 | be at the expense | 53 |
|
| 23 | be at the front | 45 |
|
| 24 | be at the door | 39 |
|
| 25 | be at the level | 31 |
|
| 26 | be at the core | 31 |
|
| 27 | be at the start | 30 |
|
| 28 | 'm at the [noun sg] | 25 |
|
| 29 | be at the stage | 25 |
|
| 30 | be at the height | 25 |
|
