SN4 ""

No	Pattern	Freq
1	[verb] how old	87
2	[conj] how old	41
3	[coord] how old	39
4	and how old	32
5	and how old	32
6	[vb infin] how old	30
7	know how old	30
8	[adv] how old	28
9	[pron] how old	24
10	[pers pn] how old	24
11	[noun] how old	19
12	[adv] how old	19
13	[to-vb] how old	18
14	[vb past] how old	16
15	know how old	16
16	[noun sg] how old	15
17	[prep] how old	14
18	[unc] how old	14
19	[prep] how old	14
20	[no cls] how old	14
21	[vb base] how old	12
22	say how old	10
23	i how old	7
24	me how old	7
25	idea how old	6
26	idea how old	6
27	so how old	6
28	so how old	6
29	of how old	5
30	erm how old	5