SN4 ""

No	Pattern	Freq
1	be catch up in [art]	90
2	[be] catch up in [art]	90
3	[was/were] catch up in [art]	46
4	[verb] catch up in [art]	42
5	get catch up in [art]	36
6	[adv] catch up in [art]	34
7	[noun] catch up in [art]	34
8	[adv] catch up in [art]	32
9	was catch up in [art]	26
10	[noun sg] catch up in [art]	20
11	were catch up in [art]	20
12	[pron] catch up in [art]	19
13	[pn reflx] catch up in [art]	15
14	[am/are] catch up in [art]	14
15	[noun pl] catch up in [art]	12
16	are catch up in [art]	12
17	[is] catch up in [art]	11
18	[vb past] catch up in [art]	11
19	is catch up in [art]	10
20	[vb infin] catch up in [art]	8
21	[be] catch up in [art]	8
22	got catch up in [art]	8
23	be catch up in [art]	8
24	get catch up in [art]	7
25	himself catch up in [art]	7
26	[conj] catch up in [art]	7
27	himself catch up in [art]	7
28	[been] catch up in [art]	6
29	[to-vb] catch up in [art]	6
30	been catch up in [art]	6