SN4 ""

No	Pattern	Freq
1	it [verb] come	554
2	it [modal v] come	548
3	it [vb mod] come	548
4	it have come	444
5	it [be] come	374
6	it be come	374
7	it [adv] come	338
8	it [vb -s] come	332
9	it [adv] come	330
10	it [is] come	259
11	it will come	219
12	it [adj] come	215
13	it [vb past] come	207
14	it 's come	205
15	it all come	168
16	it all come	168
17	it had come	168
18	it [det] come	168
19	it 's come	138
20	it has come	130
21	it will come	124
22	it [was/were] come	114
23	it was come	106
24	it 'll come	95
25	it would come	92
26	it would come	85
27	it is come	54
28	it should come	50
29	it should come	50
30	it do come	49