| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] a [noun] | 206 |
|
| 2 | [be] [vb pp] [adv] a [noun sg] | 198 |
|
| 3 | [be] [vb pp] [adv] a [noun] | 193 |
|
| 4 | [was/were] [vb pp] [adv] a [noun] | 68 |
|
| 5 | was [vb pp] [adv] a [noun] | 62 |
|
| 6 | [be] [vb pp] [adv] a year | 44 |
|
| 7 | [be] [vb pp] [adv] a year | 44 |
|
| 8 | [is] [vb pp] [adv] a [noun] | 43 |
|
| 9 | be [vb pp] [adv] a [noun] | 38 |
|
| 10 | [be] [vb pp] [adv] a [noun] | 38 |
|
| 11 | [be] [vb pp] once a [noun] | 37 |
|
| 12 | been [vb pp] [adv] a [noun] | 32 |
|
| 13 | [been] [vb pp] [adv] a [noun] | 32 |
|
| 14 | is [vb pp] [adv] a [noun] | 29 |
|
| 15 | [be] [vb pp] quite a [noun] | 27 |
|
| 16 | [be] [vb pp] [adv] a week | 26 |
|
| 17 | [be] [vb pp] [adv] a week | 26 |
|
| 18 | [be] [vb pp] twice a [noun] | 25 |
|
| 19 | [be] [vb pp] only a [noun] | 21 |
|
| 20 | [am/are] [vb pp] [adv] a [noun] | 20 |
|
| 21 | are [vb pp] [adv] a [noun] | 19 |
|
| 22 | [be] [vb pp] [adv] a month | 14 |
|
| 23 | [be] [vb pp] [adv] a month | 14 |
|
| 24 | 's [vb pp] [adv] a [noun] | 14 |
|
| 25 | [be] [vb pp] [adv] an [noun] | 13 |
|
| 26 | [be] [vb pp] [adv] a lot | 11 |
|
| 27 | [be] [vb pp] [adv] a lot | 11 |
|
| 28 | [be] [vb pp] then a [noun] | 11 |
|
| 29 | [be] [vb pp] [adv] a day | 10 |
|
| 30 | [be] [vb pp] just a [noun] | 10 |
|
