| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about 30 [noun] | 202 |
|
| 2 | about 30 [noun pl] | 155 |
|
| 3 | about 30 [unc] | 79 |
|
| 4 | about 30 [no cls] | 79 |
|
| 5 | about 30 per | 75 |
|
| 6 | about 30 per | 75 |
|
| 7 | about 30 [adj] | 35 |
|
| 8 | about 30 [n mass] | 32 |
|
| 9 | about 30 minute | 31 |
|
| 10 | about 30 minutes | 31 |
|
| 11 | about 30 [adj] | 19 |
|
| 12 | about 30 [num] | 15 |
|
| 13 | about 30 year | 15 |
|
| 14 | about 30 years | 15 |
|
| 15 | about 30 [prep] | 14 |
|
| 16 | about 30 [prep] | 14 |
|
| 17 | about 30 second | 11 |
|
| 18 | about 30 miles | 11 |
|
| 19 | about 30 mile | 11 |
|
| 20 | about 30 seconds | 11 |
|
| 21 | about 30 people | 10 |
|
| 22 | about 30 people | 10 |
|
| 23 | about 30 million | 7 |
|
| 24 | about 30 to | 7 |
|
| 25 | about 30 to | 7 |
|
| 26 | about 30 million | 7 |
|
| 27 | about 30 [noun sg] | 6 |
|
| 28 | about 30 [noun prp] | 5 |
|
| 29 | about 30 [adv] | 5 |
|
| 30 | about 30 cm | 5 |
|
