| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about 20 [noun] | 261 |
|
| 2 | about 20 [noun pl] | 209 |
|
| 3 | about 20 [no cls] | 88 |
|
| 4 | about 20 [unc] | 88 |
|
| 5 | about 20 per | 84 |
|
| 6 | about 20 per | 84 |
|
| 7 | about 20 minutes | 51 |
|
| 8 | about 20 minute | 51 |
|
| 9 | about 20 [adj] | 36 |
|
| 10 | about 20 [n mass] | 35 |
|
| 11 | about 20 years | 34 |
|
| 12 | about 20 year | 34 |
|
| 13 | about 20 [adj] | 19 |
|
| 14 | about 20 [prep] | 17 |
|
| 15 | about 20 [prep] | 17 |
|
| 16 | about 20 miles | 14 |
|
| 17 | about 20 time | 14 |
|
| 18 | about 20 [num] | 14 |
|
| 19 | about 20 mile | 14 |
|
| 20 | about 20 times | 14 |
|
| 21 | about 20 [noun prp] | 12 |
|
| 22 | about 20 people | 9 |
|
| 23 | about 20 people | 9 |
|
| 24 | about 20 000 | 7 |
|
| 25 | about 20 000 | 7 |
|
| 26 | about 20 yard | 6 |
|
| 27 | about 20 seconds | 6 |
|
| 28 | about 20 yards | 6 |
|
| 29 | about 20 second | 6 |
|
| 30 | about 20 cm | 6 |
|
