A Distribution of negative language transfer errors across all error types
Error type	Error description	Total	Negative language transfer	Not negative language transfer
AGA	anaphor agreement error	19	2 (10.53%)	17 (89.47%)
AGD	determiner agreement error	4	0 (0.00%)	4 (100.00%)
AGN	noun agreement error	62	41 (66.13%)	21 (33.87%)
AGQ	quantifier agreement error	7	7 (100.00%)	0 (0.00%)
AGV	verb agreement error	88	75 (85.23%)	13 (14.77%)
AS	argument structure error	18	6 (33.33%)	12 (66.67%)
CD	wrong determiner because of noun countability	1	1 (100.00%)	0 (0.00%)
CE	complex error	4	2 (50.00%)	2 (50.00%)
CL	collocation or tautology error	4	0 (0.00%)	4 (100.00%)
CN	countability of noun error	12	10 (83.33%)	2 (16.67%)
CQ	wrong quantifier because of noun countability	4	3 (75.00%)	1 (25.00%)
DA	derivation of anaphor error	20	1 (5.00%)	19 (95.00%)
DD	derivation of determiner error	12	0 (0.00%)	12 (100.00%)
DJ	derivation of adjective error	50	43 (86.00%)	7 (14.00%)
DN	derivation of noun error	35	23 (65.71%)	12 (34.29%)
DV	derivation of verb error	7	5 (71.43%)	2 (28.57%)
DY	derivation of adverb error	19	8 (42.11%)	11 (57.89%)
FA	wrong anaphor form	2	1 (50.00%)	1 (50.00%)
FD	incorrect determiner form	13	0 (0.00%)	13 (100.00%)
FJ	wrong adjective form	4	3 (75.00%)	1 (25.00%)
FN	wrong noun form	93	73 (78.49%)	20 (21.51%)
FV	wrong verb form	132	58 (43.94%)	74 (56.06%)
FY	wrong adverb form	1	1 (100.00%)	0 (0.00%)
ID	idiom wrong	17	1 (5.88%)	16 (94.12%)
IJ	incorrect adjective inflection	2	0 (0.00%)	2 (100.00%)
IN	incorrect noun inflection	9	5 (55.56%)	4 (44.44%)
IQ	incorrect quantifier inflection	1	1 (100.00%)	0 (0.00%)
IV	incorrect verb inflection	13	0 (0.00%)	13 (100.00%)
L	inappropriate register	12	5 (41.67%)	7 (58.33%)
M	missing error	61	42 (68.85%)	19 (31.15%)
MA	missing anaphor	62	41 (66.13%)	21 (33.87%)
MC	missing link word	20	17 (85.00%)	3 (15.00%)
MD	missing determiner	209	206 (98.56%)	3 (1.44%)
MJ	missing adjective	4	2 (50.00%)	2 (50.00%)
MN	missing noun	18	8 (44.44%)	10 (55.56%)
MP	missing punctuation	151	138 (91.39%)	13 (8.61%)
MQ	missing quantifier	3	2 (66.67%)	1 (33.33%)
MT	missing preposition	73	67 (91.78%)	6 (8.22%)
MV	missing verb	54	47 (87.04%)	7 (12.96%)
MY	missing adverb	13	12 (92.31%)	1 (7.69%)
R	replace error	187	101 (54.01%)	86 (45.99%)
RA	replace anaphor	33	10 (30.30%)	23 (69.70%)
RC	replace link word	10	5 (50.00%)	5 (50.00%)
RD	replace determiner	42	18 (42.86%)	24 (57.14%)
RJ	replace adjective	41	18 (43.90%)	23 (56.10%)
RN	replace noun	123	54 (43.90%)	69 (56.10%)
RP	replace punctuation	336	228 (67.86%)	108 (32.14%)
RQ	replace quantifier	14	7 (50.00%)	7 (50.00%)
RT	replace preposition	209	118 (56.46%)	91 (43.54%)
RV	replace verb	230	81 (35.22%)	149 (64.78%)
RY	replace adverb	66	24 (36.36%)	42 (63.64%)
S	spelling error	1	0 (0.00%)	1 (100.00%)
TV	incorrect tense of verb	267	185 (69.29%)	82 (30.71%)
U	unnecessary error	25	8 (32.00%)	17 (68.00%)
UA	unnecessary anaphor	20	0 (0.00%)	20 (100.00%)
UC	unnecessary link word	14	1 (7.14%)	13 (92.86%)
UD	unnecessary determiner	75	4 (5.33%)	71 (94.67%)
UJ	unnecessary adjective	6	2 (33.33%)	4 (66.67%)
UN	unnecessary noun	9	8 (88.89%)	1 (11.11%)
UP	unnecessary punctuation	65	6 (9.23%)	59 (90.77%)
UQ	unnecessary quantifier	3	1 (33.33%)	2 (66.67%)
UT	unnecessary preposition	59	7 (11.86%)	52 (88.14%)
UV	unnecessary verb	44	16 (36.36%)	28 (63.64%)
UY	unnecessary adverb	16	4 (25.00%)	12 (75.00%)
W	word order error	44	24 (54.55%)	20 (45.45%)
X	incorrect negative formation	8	4 (50.00%)	4 (50.00%)