| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [num] [noun pl] [unc] | 50 |
|
| 2 | is [prep] [num] [noun] ['s] | 50 |
|
| 3 | is [prep] [num] [noun] ' | 48 |
|
| 4 | is [prep] [num] [noun] ' | 48 |
|
| 5 | is [prep] [num] year [unc] | 48 |
|
| 6 | is [prep] [num] years [unc] | 46 |
|
| 7 | is of [num] [noun] [unc] | 45 |
|
| 8 | is [prep] three [noun] [unc] | 24 |
|
| 9 | is [prep] four [noun] [unc] | 16 |
|
| 10 | is [prep] two [noun] [unc] | 7 |
|
