SN4 ""

No	Pattern	Freq
1	[noun] before had	51
2	[adv] before had	49
3	[adv] before had	49
4	never before had	44
5	never before had	44
6	[noun sg] before had	27
7	[noun pl] before had	22
8	year before had	11
9	years before had	8
10	[pron] before had	8
11	day before had	7
12	night before had	7
13	which before had	6
14	night before had	6
15	which before had	6
16	day before had	6
17	[Wh det] before had	6
18	moment before had	5
19	before [coord] had	14
20	before [conj] had	14
21	before and had	8
22	before and had	8
23	before but had	6
24	before but had	6
25	before had [pron]	33
26	before had [verb]	29
27	before had [vb pp]	28
28	before had [pers pn]	27
29	before had be	22
30	before had been	22