| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [vb mod] [to-vb] a [noun sg] | 47 |
|
| 2 | [noun sg] used [to-vb] a [noun sg] | 42 |
|
| 3 | [noun sg] ought [to-vb] a [noun sg] | 13 |
|
| 4 | [noun sg] [vb mod] to have a [noun sg] | 10 |
|
| 5 | [noun sg] [vb mod] [to-vb] an [noun sg] | 8 |
|
