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