| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] for [adj] years | 117 |
|
| 2 | [verb] [adv prt] for several [noun] | 41 |
|
| 3 | [verb] [adv prt] for several [noun pl] | 40 |
|
| 4 | [verb] [adv] for several years | 20 |
|
| 5 | [verb] [adv prt] [prep] several years | 10 |
|
| 6 | [verb] [adv prt] [prep] several years | 10 |
|
| 7 | [verb] [adv prt] for several years | 7 |
|
| 8 | [verb] [adv prt] for several year | 7 |
|
