| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a week [unc] | 124 |
|
| 2 | [prep] a week [unc] | 124 |
|
| 3 | [verb] a week [unc] | 72 |
|
| 4 | for a week [unc] | 38 |
|
| 5 | for a week [unc] | 38 |
|
| 6 | in a week [unc] | 28 |
|
| 7 | in a week [unc] | 28 |
|
| 8 | [adv] a week [unc] | 20 |
|
| 9 | [adv] a week [unc] | 17 |
|
| 10 | [vb past] a week [unc] | 16 |
|
| 11 | of a week [unc] | 14 |
|
| 12 | [vb pp] a week [unc] | 14 |
|
| 13 | [vb infin] a week [unc] | 14 |
|
| 14 | of a week [unc] | 14 |
|
| 15 | after a week [unc] | 13 |
|
| 16 | [pron] a week [unc] | 13 |
|
| 17 | after a week [unc] | 13 |
|
| 18 | have a week [unc] | 12 |
|
| 19 | [noun] a week [unc] | 11 |
|
| 20 | on a week [unc] | 10 |
|
| 21 | on a week [unc] | 10 |
|
| 22 | [conj] a week [unc] | 10 |
|
| 23 | [v-ing] a week [unc] | 10 |
|
| 24 | take a week [unc] | 10 |
|
| 25 | [to-vb] a week [unc] | 9 |
|
| 26 | [pers pn] a week [unc] | 8 |
|
| 27 | [vb base] a week [unc] | 7 |
|
| 28 | [be] a week [unc] | 7 |
|
| 29 | be a week [unc] | 7 |
|
| 30 | [adj] a week [unc] | 6 |
|
