Grammar reference and practice » Стр.152 (1)

Unit 5 1. Write the adverb, comparative and superlative adverbs of the adjective. 1. сheap, cheaply, more cheaply, the most cheaply; 2. heavy, heavily, more heavily, the most heavily; 3. fast, fast, faster, the fastest; 4. bad, badly, worse, the worst; 5. serious, seriously, more seriously, the most seriously; 6. wonderful, wonderfully, more wonderfully, the most wonderfully.