Matching Pairs C17U2LB GrammarOnline version Match the formulas with the sentences. by Modern English 1 noun + be 2 be + adjective 3 What's + adjective + be 4 verbs, e.g., know, think, say, show One problem with TV is (that) it reduces students' reading time. What's disturbing is (that) TV may have an effect on language development. It's clear (that) TV viewing contributes to inactivity. Experts claim (that) watching TV is one cause of obesity.