SN4 ""

No	Pattern	Freq
1	[conj] it [adv] happens that	17
2	[subord] it [adv] happens that	9
3	[coord] it [adv] happens that	8
4	and it [adv] happens that	6
5	and it [adv] happens that	6
6	[adv] it [adv] happens that	5
7	[adv] it [adv] happens that	5
8	it [adv] [adv] happens that	21
9	it [adv] [adv] happens that	19
10	it just [adv] happens that	14
11	it just [adv] happens that	14
12	it [adv] [adv] happens that	19
13	it [adv] [adv] happens that	19
14	it [adv] so happens that	14
15	it [adv] so happens that	14
16	it [adv] happens that [art]	23
17	it [adv] happens that [art]	23
18	it [adv] happens that [pron]	18
19	it [adv] happens that the	16
20	it [adv] happens that the	16
21	it [adv] happens that [adj]	14
22	it [adv] happens that [pers pn]	12
23	it [adv] happens that a	7
24	it [adv] happens that [det]	7
25	it [adv] happens that [adj]	7
26	it [adv] happens that [prep]	6
27	it [adv] happens that [noun]	6
28	it [adv] happens that a	6
29	it [adv] happens that i	6
30	it [adv] happens that [prep]	6