| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [modal v] last for several | 6 |
|
| 2 | [noun sg] [modal v] last for several | 5 |
|
| 3 | [modal v] last for several [noun pl] | 12 |
|
| 4 | [modal v] last for several [noun] | 12 |
|
