3 puzzles

-My first is the two letters which begin the alphabet,
-My second is the Past Tense of the verb "to send",
-My whole is the antonim of present …

-My first is what we say when we agree,
-My second is the first syllable of the word "terribly",
-My third is the antonim of "night",
-My whole is the day before today …

-My first is what we do when your hands are dirty,
-My second is the suffix of Participle I,
-My third is the letter that comes after "s",
-My fourth is a preposition,
-My whole is the capital of a state …