SN4 ""

No	Pattern	Freq
1	[prep] about four	152
2	[prep] about four	152
3	[verb] about four	141
4	[be] about four	123
5	be about four	123
6	[adv] about four	81
7	for about four	60
8	for about four	60
9	[noun] about four	58
10	[was/were] about four	49
11	[adv] about four	46
12	[noun sg] about four	43
13	[is] about four	43
14	was about four	40
15	[vb pp] about four	39
16	[adv prt] about four	32
17	[conj] about four	32
18	[vb past] about four	27
19	of about four	24
20	of about four	24
21	's about four	24
22	[vb infin] about four	21
23	only about four	20
24	only about four	20
25	take about four	20
26	[pron] about four	19
27	is about four	19
28	have about four	19
29	at about four	19
30	at about four	19