SN4 ""

No	Pattern	Freq
1	[prep] be doing [adv]	81
2	[modal v] be doing [adv]	81
3	[vb mod] be doing [adv]	81
4	to be doing [adv]	79
5	[prep] be doing [adv]	79
6	to be doing [adv]	79
7	will be doing [adv]	23
8	would be doing [adv]	18
9	[pron] be doing [adv]	14
10	[pers pn] be doing [adv]	14
11	should be doing [adv]	14
12	would be doing [adv]	14
13	should be doing [adv]	14
14	must be doing [adv]	13
15	will be doing [adv]	13
16	must be doing [adv]	13
17	[adv] be doing [adv]	11
18	'll be doing [adv]	10
19	[adv] be doing [adv]	8
20	you be doing [adv]	7
21	you be doing [adv]	7
22	be doing [adv] [adv]	46
23	be doing [adv] [adv]	46
24	be doing [pron] [adv]	42
25	be doing [indef pn] [adv]	27
26	be doing something [adv]	23
27	be doing something [adv]	23
28	be doing [pers pn] [adv]	13
29	be doing it [adv]	12
30	be doing it [adv]	12