Suggested Answers for Check Questions
(i) head to head: compound nouns
| X → X Y | (armchair) | ||
| X → Y X |
(ii) phrase to bar-level constituent: pronominal APs
| X' → X' YP | |||
| X' → YP X' | (popular smart student) |
(iii) phrase to phrase: relative clauses
| XP → XP YP | ||
| XP → YP XP |
It must be noted that the order of the constituents on the right side of the arrow may vary, i.e. adjunction to either side is possible and that in case of adjunction to a head the adjoining element is itself a head, whereas in the other two cases it is a maximal projection.