| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [adv] a [noun sg] | 157 |
|
| 2 | be [prep] [adv] a [noun] | 153 |
|
| 3 | be [prep] [adv] a [noun] | 138 |
|
| 4 | be at [adv] a [noun] | 97 |
|
| 5 | be [prep] least a [noun] | 79 |
|
| 6 | be [prep] least a [noun] | 79 |
|
| 7 | is [prep] [adv] a [noun] | 41 |
|
| 8 | was [prep] [adv] a [noun] | 38 |
|
| 9 | be [prep] [adv] a [noun] | 31 |
|
| 10 | be [prep] [adv] an [noun] | 21 |
|
| 11 | be [prep] quite a [noun] | 18 |
|
| 12 | be [prep] quite a [noun] | 18 |
|
| 13 | been [prep] [adv] a [noun] | 18 |
|
| 14 | be in [adv] a [noun] | 18 |
|
| 15 | be [prep] once a [noun] | 17 |
|
| 16 | be [prep] once a [noun] | 17 |
|
| 17 | are [prep] [adv] a [noun] | 13 |
|
| 18 | be worth [adv] a [noun] | 12 |
|
| 19 | be for [adv] a [noun] | 11 |
|
| 20 | be [prep] [adv] a week | 9 |
|
| 21 | be [prep] [adv] a week | 9 |
|
| 22 | be [prep] [adv] a lot | 8 |
|
| 23 | be [prep] [adv] a year | 8 |
|
| 24 | be [prep] [adv] a lot | 8 |
|
| 25 | be [prep] [adv] a year | 8 |
|
| 26 | 's [prep] [adv] a [noun] | 6 |
|
| 27 | be [prep] rather a [noun] | 6 |
|
| 28 | be [prep] rather a [noun] | 6 |
|
| 29 | be [prep] [Wh adv] a [noun] | 6 |
|
| 30 | be [prep] just a [noun] | 5 |
|
