IF + soggetto + Present Simple , soggetto + will/won’t + forma base del verbo
Il periodo ipotetico di 1° tipo si usa per esprimere ipotesi realizzabili e fare previsioni.
Esercizi:
http://web2.uvcs.uvic.ca/courses/elc/studyzone/330/grammar/1cond1.htm
http://www.english-grammar-lessons.com/firstconditional/exercise1.swf
http://www.english-grammar-lessons.com/firstconditional/exercise2.swf
http://www.englishgrammarsecrets.com/firstconditional/exercise1.swf
http://www.english-grammar-lessons.com/firstconditional/exercise5.swf
http://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_mix3.htm
http://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_mix.htm
http://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_mix2.htm
http://www.englisch-hilfen.de/en/exercises/if_clauses/type_1_negation.htm