| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have to buy [art] [adj] | 8 |
|
| 2 | [modal v] have to buy [art] [adj] | 8 |
|
| 3 | will have to buy [art] [adj] | 5 |
|
| 4 | have to buy [art] [adj] [noun sg] | 8 |
|
| 5 | have to buy [art] [adj] [noun] | 8 |
|
