| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | than that [prep] a [noun sg] | 50 |
|
| 2 | than that of a [noun] | 39 |
|
| 3 | than that [prep] a [noun] | 36 |
|
| 4 | than that [prep] an [noun] | 15 |
|
| 5 | than that for a [noun] | 5 |
|
