Students' abilities in manipulation and control of syntax may be increased through a sequence of instruction involving the use of exercises termed "Non-Sentence Practice,""Nonsense-Sentences Practice," and "Syntactic Patterning Practice." The final step in the instruction sequence is to make the syntactic exercises pertinent to students' writing…

The ability of 31 institutionalized trainable mentally retarded mongoloid and nonmongoloid subjects (mean IQ=27.5) to comprehend and imitate verbally presented sentences of varying levels of grammatical complexity was examined. Eight stimulus sentences were spoken for four pairs of pictures, simple declarative or kernel, negative, passive, and…