If you've flopped… Possible actions

Overcards

Check and fold. Call if you have a backdoor draw and high pot odds.

Top Pair with High Kicker

Bet and raise. If re-raised, raise again if you think you have the best hand, otherwise call.

Top Pair with Poor Kicker

Fold if there's much action. If you're first or last to act, bet or raise if you think everyone else will fold.

Middle or Bottom Pair

Check and fold. Call if you have an overcard and/or a backdoor draw with high pot odds.

Two Pair

Bet and raise. If re-raised, raise again if you have top two pair. Otherwise, call.

Pair on the Board

Fold if your pair is lower, or there's much action. In late position, bet when it's checked to you if you think everyone will fold.

Three of a Kind (Set)

Raise and re-raise, unless you are certain (or uncertain) that you have the best hand.

Three of a Kind (Pair on Board)

Bet and raise. Call if someone else re-raises, unless you have a high kicker.

Inside Straight Draw

Bet or call if you have favorable pot odds, or two overcards and/or multiple draws. Fold if the board is paired, or if there are three suited cards on the board.

Open-ended Straight Draw

Bet or raise if you have the nut draw. Call if the board is paired, or if there are two suited cards on the board. Fold if there are three suited cards on the board.

Flush Draw

Bet or raise if you have an ace high draw, otherwise call.

Straight

Raise and re-raise. Slow play if an ace high straight.

Flush

Raise and re-raise. Slow play if an ace high flush.

Full House

Slow play if your set is the higher rank. Bet and raise if your set is the lower rank, or you don't have the pocket pair.

Four of a Kind or Straight Flush

Slow play if you have the nuts, otherwise bet and raise.

1