| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] for several years | 124 |
|
| 2 | [verb] for several year | 124 |
|
| 3 | [vb pp] for several year | 48 |
|
| 4 | [vb past] for several year | 22 |
|
| 5 | [v-ing] for several year | 17 |
|
| 6 | [vb infin] for several year | 14 |
|
| 7 | work for several year | 12 |
|
| 8 | have for several year | 11 |
|
| 9 | [to-vb] for several year | 10 |
|
| 10 | live for several year | 8 |
|
| 11 | last for several year | 8 |
|
| 12 | [vb -s] for several year | 7 |
|
| 13 | [vb base] for several year | 6 |
|
| 14 | had for several year | 6 |
|
| 15 | worked for several year | 5 |
|
| 16 | continue for several year | 5 |
|
| 17 | worked for several year | 5 |
|
