| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have to put [art] [noun sg] | 10 |
|
| 2 | we have to put a [noun sg] | 6 |
|
| 3 | we have to put a [noun sg] | 5 |
|
| 4 | we had to put [art] [noun sg] | 5 |
|
