| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] about [adj] | 569 |
|
| 2 | a [noun sg] [prep] about [num] | 555 |
|
| 3 | a [noun sg] of about [adj] | 513 |
|
| 4 | a period [prep] about [adj] | 37 |
|
| 5 | a [noun sg] [prep] about ten | 32 |
|
| 6 | a [noun sg] [prep] about ten | 32 |
|
| 7 | a group [prep] about [adj] | 28 |
|
| 8 | a [noun sg] [prep] about three | 26 |
|
| 9 | a [noun sg] for about [adj] | 26 |
|
| 10 | a [noun sg] [prep] about three | 26 |
|
| 11 | a total [prep] about [adj] | 23 |
|
| 12 | a population [prep] about [adj] | 22 |
|
| 13 | a [noun sg] [prep] about 30 | 22 |
|
| 14 | a [noun sg] [prep] about 30 | 22 |
|
| 15 | a depth [prep] about [adj] | 21 |
|
| 16 | a [noun sg] [prep] about two | 19 |
|
| 17 | a [noun sg] [prep] about two | 19 |
|
| 18 | a [noun sg] [prep] about 10 | 16 |
|
| 19 | a [noun sg] [prep] about 20 | 16 |
|
| 20 | a [noun sg] [prep] about 100 | 16 |
|
| 21 | a [noun sg] [prep] about 20 | 16 |
|
| 22 | a boy [prep] about [adj] | 16 |
|
| 23 | a [noun sg] [prep] about 10 | 16 |
|
| 24 | a [noun sg] [prep] about 100 | 16 |
|
| 25 | a rate [prep] about [adj] | 15 |
|
| 26 | a distance [prep] about [adj] | 14 |
|
| 27 | a height [prep] about [adj] | 14 |
|
| 28 | a [noun sg] [prep] about [det] | 13 |
|
| 29 | a [noun sg] [prep] about forty | 13 |
|
| 30 | a [noun sg] [prep] about five | 13 |
|
