| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] 18 years | 112 |
|
| 2 | [prep] 18 years | 112 |
|
| 3 | [adv] 18 years | 57 |
|
| 4 | [adv] 18 years | 57 |
|
| 5 | for 18 years | 45 |
|
| 6 | for 18 years | 45 |
|
| 7 | [verb] 18 years | 26 |
|
| 8 | [adj] 18 years | 24 |
|
| 9 | [conj] 18 years | 21 |
|
| 10 | under 18 years | 19 |
|
| 11 | to 18 years | 19 |
|
| 12 | under 18 years | 19 |
|
| 13 | to 18 years | 19 |
|
| 14 | of 18 years | 17 |
|
| 15 | of 18 years | 17 |
|
| 16 | [coord] 18 years | 16 |
|
| 17 | over 18 years | 16 |
|
| 18 | over 18 years | 16 |
|
| 19 | [be] 18 years | 15 |
|
| 20 | [noun] 18 years | 15 |
|
| 21 | be 18 years | 15 |
|
| 22 | and 18 years | 13 |
|
| 23 | and 18 years | 13 |
|
| 24 | after 18 years | 12 |
|
| 25 | [vb past] 18 years | 12 |
|
| 26 | after 18 years | 12 |
|
| 27 | [adj] 18 years | 11 |
|
| 28 | [noun sg] 18 years | 8 |
|
| 29 | in 18 years | 7 |
|
| 30 | in 18 years | 7 |
|
