SN4 ""

No	Pattern	Freq
1	[noun] and how	1629
2	[noun sg] and how	993
3	[verb] and how	672
4	[noun pl] and how	513
5	[adv] and how	313
6	[vb pp] and how	209
7	[Wh adv] and how	200
8	[pron] and how	171
9	[adj] and how	167
10	[be] and how	164
11	be and how	164
12	[vb base] and how	137
13	[adj] and how	128
14	[pers pn] and how	112
15	[to-vb] and how	104
16	[noun prp] and how	87
17	when and how	85
18	when and how	85
19	do and how	74
20	[adv] and how	69
21	[vb infin] and how	64
22	[conj] and how	62
23	where and how	59
24	where and how	59
25	[v-ing] and how	57
26	[subord] and how	56
27	why and how	51
28	why and how	51
29	[vb -s] and how	51
30	[vb past] and how	50