| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must have lifespan [noun] | 27 |
|
| 2 | must have lifespan [noun sg] | 25 |
|
| 3 | must have [noun sg] quality | 5 |
|
| 4 | must have lifespan quality | 5 |
|
| 5 | must have lifespan quality | 5 |
|
| 6 | must have [noun] quality | 5 |
|
| 7 | must have lifespan quality | 5 |
|
| 8 | must [vb infin] lifespan quality | 5 |
|
| 9 | [modal v] have lifespan quality | 5 |
|
| 10 | must [verb] lifespan quality | 5 |
|
