Ex. 1 Circle the correct form of the verb:
a) The design process begin (begins) by determining the needs and desires of the user and the conditions of the site.
b) This publication describes (describe) each element…
c) The features can (could) be physically described by the visual qualities of line, form, colour, texture, and visual weight—the elements of design.
d) Knowledge of the elements and principles of design is (are) essential in designing a landscape.