SN4 ""

No	Pattern	Freq
1	[verb] at a [adj] stage	186
2	[verb] at a [adj] stage	186
3	[verb] at an [adj] stage	123
4	[verb] at a early stage	121
5	[verb] at a [adj] stage	114
6	[vb pp] at a [adj] stage	111
7	[verb] at a early stage	93
8	[verb] at a [adj -er] stage	71
9	[verb] at a [adj] stage	63
10	[verb] at a late stage	49
11	[verb] at a later stage	43
12	[verb] at a earlier stage	28
13	[to-vb] at a [adj] stage	19
14	[vb past] at a [adj] stage	13
15	[v-ing] at a [adj] stage	12
16	[vb -s] at a [adj] stage	11
17	[vb infin] at a [adj] stage	11
18	[vb base] at a [adj] stage	9
19	decide at a [adj] stage	8
20	occur at a [adj] stage	7
21	made at a [adj] stage	6
22	[verb] at a late stage	6
23	make at a [adj] stage	6
24	consider at a [adj] stage	5