| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at an [adj] [noun sg] | 203 |
|
| 2 | be [verb] at an [adj] [noun sg] | 187 |
|
| 3 | be [vb pp] at an [adj] [noun sg] | 156 |
|
| 4 | be [verb] at an [adj] [noun sg] | 78 |
|
| 5 | be [verb] at an early [noun sg] | 75 |
|
| 6 | be [verb] at an early [noun sg] | 60 |
|
| 7 | be [verb] at an [adj] stage | 53 |
|
| 8 | be [v-ing] at an [adj] [noun sg] | 45 |
|
| 9 | be [verb] at an [adj] rate | 34 |
|
| 10 | was [verb] at an [adj] [noun sg] | 33 |
|
| 11 | were [verb] at an [adj] [noun sg] | 27 |
|
| 12 | is [verb] at an [adj] [noun sg] | 25 |
|
| 13 | are [verb] at an [adj] [noun sg] | 16 |
|
| 14 | be [verb] at an earlier [noun sg] | 15 |
|
| 15 | be [verb] at an [adj -er] [noun sg] | 15 |
|
| 16 | been [verb] at an [adj] [noun sg] | 13 |
|
| 17 | be [verb] at an [adj] age | 12 |
|
| 18 | be [verb] at an alarming [noun sg] | 12 |
|
| 19 | be [verb] at an alarming [noun sg] | 12 |
|
| 20 | be [verb] at an [adj] meeting | 10 |
|
| 21 | be [verb] at an [adj] level | 9 |
|
| 22 | being [verb] at an [adj] [noun sg] | 9 |
|
| 23 | be [verb] at an [adj] cost | 9 |
|
| 24 | be take at an [adj] [noun sg] | 8 |
|
| 25 | be taken at an [adj] [noun sg] | 8 |
|
| 26 | be [verb] at an annual [noun sg] | 8 |
|
| 27 | be [verb] at an annual [noun sg] | 8 |
|
| 28 | be [verb] at an appropriate [noun sg] | 7 |
|
| 29 | be [verb] at an appropriate [noun sg] | 7 |
|
| 30 | be [verb] at an [adj] time | 6 |
|
