SN4 ""

No	Pattern	Freq
1	have been thinking [prep]	171
2	[verb] been thinking [prep]	171
3	[vb base] been thinking [prep]	91
4	've been thinking [prep]	70
5	[vb past] been thinking [prep]	54
6	had been thinking [prep]	38
7	[vb infin] been thinking [prep]	23
8	have been thinking [prep]	22
9	have been thinking [prep]	21
10	[adv] been thinking [prep]	20
11	'd been thinking [prep]	16
12	not been thinking [prep]	13
13	[not/n't] been thinking [prep]	13
14	[adv] been thinking [prep]	7
15	not been thinking [prep]	7
16	n't been thinking [prep]	6
17	been thinking [adv] [prep]	7
18	been thinking [adv] [prep]	5
19	been thinking [prep] [pron]	73
20	been thinking [prep] [pers pn]	46
21	been thinking [prep] [noun]	35
22	been thinking [prep] [verb]	34
23	been thinking [prep] [v-ing]	33
24	been thinking [prep] it	21
25	been thinking [prep] it	21
26	been thinking [prep] [adj]	21
27	been thinking [prep] [det]	20
28	been thinking [prep] [art]	19
29	been thinking [prep] [art]	19
30	been thinking [prep] [noun prp]	17