SN4 ""

No	Pattern	Freq
1	[conj] it have been [adv prt] [prep]	23
2	[subord] it have been [adv prt] [prep]	17
3	if it have been [adv prt] [prep]	6
4	if it have been [adv prt] [prep]	6
5	[noun] it have been [adv prt] [prep]	5
6	it have [adv] been [adv prt] [prep]	9
7	it have [adv] been [adv prt] [prep]	5
8	it have been [verb] [adv prt] [prep]	159
9	it have been [vb pp] [adv prt] [prep]	122
10	it have been [v-ing] [adv prt] [prep]	36
11	it have been go [adv prt] [prep]	21
12	it have been going [adv prt] [prep]	20
13	it have been taken [adv prt] [prep]	10
14	it have been take [adv prt] [prep]	10
15	it have been point [adv prt] [prep]	8
16	it have been pointed [adv prt] [prep]	8
17	it have been build [adv prt] [prep]	7
18	it have been building [adv prt] [prep]	5
19	it have been set [adv prt] [prep]	5
20	it have been bring [adv prt] [prep]	5
21	it have been set [adv prt] [prep]	5
22	it have been put [adv prt] [prep]	5
23	it have been brought [adv prt] [prep]	5
24	it have been put [adv prt] [prep]	5
25	it have been [adv prt] [prep] [art]	12
26	it have been [adv prt] [prep] [art]	12
27	it have been [adv prt] [prep] [adj]	10
28	it have been [adv prt] [prep] [num]	6
29	it have been [adv prt] [prep] the	6
30	it have been [adv prt] [prep] the	6