Fill in the Blanks The second conditionalOnline version Complete the sentences using the second conditional by José Hernández Portillo 1 She study I she would I'd would were would If I ( be ) you , I ( study ) harder . If everyone had ( have ) clean water to drink , there would be ( be ) a lot less disease . If won ( win ) the lottery , buy ( buy ) a big house . if I knew ( know ) his number , I give ( give ) him a call . do ( do ) it if could ( can ) .