| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] and may [be] [verb] [prep] | 78 |
|
| 2 | lifespan and [vb mod] [be] [verb] [prep] | 9 |
|
| 3 | lifespan and [modal v] [be] [verb] [prep] | 9 |
|
| 4 | lifespan and may [be] [verb] [prep] | 6 |
|
| 5 | lifespan and may [be] [verb] [prep] | 6 |
|
| 6 | lifespan and may [be] [verb] [prep] | 6 |
|
| 7 | lifespan [conj] may [be] [verb] [prep] | 6 |
|
