| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] several days | 266 |
|
| 2 | [prep] several days | 266 |
|
| 3 | for several days | 183 |
|
| 4 | for several days | 183 |
|
| 5 | [verb] several days | 107 |
|
| 6 | [vb past] several days | 37 |
|
| 7 | after several days | 28 |
|
| 8 | after several days | 28 |
|
| 9 | [noun] several days | 24 |
|
| 10 | take several days | 23 |
|
| 11 | spend several days | 22 |
|
| 12 | [vb pp] several days | 20 |
|
| 13 | spent several days | 15 |
|
| 14 | [noun sg] several days | 15 |
|
| 15 | [v-ing] several days | 15 |
|
| 16 | of several days | 14 |
|
| 17 | [be] several days | 14 |
|
| 18 | be several days | 14 |
|
| 19 | of several days | 14 |
|
| 20 | last several days | 13 |
|
| 21 | over several days | 13 |
|
| 22 | over several days | 13 |
|
| 23 | [vb base] several days | 13 |
|
| 24 | [vb infin] several days | 12 |
|
| 25 | [conj] several days | 12 |
|
| 26 | in several days | 11 |
|
| 27 | [adv] several days | 11 |
|
| 28 | in several days | 11 |
|
| 29 | [adj] several days | 8 |
|
| 30 | [coord] several days | 8 |
|
