| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] for 20 years | 127 |
|
| 2 | [noun sg] for 20 years | 84 |
|
| 3 | [verb] for 20 years | 42 |
|
| 4 | [noun prp] for 20 years | 23 |
|
| 5 | [vb pp] for 20 years | 23 |
|
| 6 | [noun pl] for 20 years | 20 |
|
| 7 | [adj] for 20 years | 15 |
|
| 8 | [adv] for 20 years | 11 |
|
| 9 | [adj] for 20 years | 10 |
|
| 10 | [adv] for 20 years | 10 |
|
| 11 | [v-ing] for 20 years | 8 |
|
| 12 | [vb past] for 20 years | 6 |
|
| 13 | for [adv] 20 years | 86 |
|
| 14 | for [adv] 20 years | 86 |
|
| 15 | for over 20 years | 49 |
|
| 16 | for over 20 years | 49 |
|
| 17 | for nearly 20 years | 12 |
|
| 18 | for almost 20 years | 12 |
|
| 19 | for nearly 20 years | 12 |
|
| 20 | for almost 20 years | 12 |
|
| 21 | for about 20 years | 10 |
|
| 22 | for about 20 years | 10 |
|
| 23 | for [adj] 20 years | 9 |
|
| 24 | for [det] 20 years | 9 |
|
| 25 | for some 20 years | 6 |
|
| 26 | for some 20 years | 6 |
|
| 27 | for 20 years [conj] | 33 |
|
| 28 | for 20 years [coord] | 30 |
|
| 29 | for 20 years [prep] | 28 |
|
| 30 | for 20 years [prep] | 28 |
|
