Beginning Japanese Phrases Podcast #188: ~てもいいですか? Is it OK to …?; may I …?; is it alright if (I) … ?; can I …? [“te-form V + もいいですか?]
Beginning Japanese Phrases Podcast #187: ~たい to want to; to wish to; would like to [“masu-stem V + たい”]
Beginning Japanese Phrases Podcast #184: ~けれど but; however; although; though (shortened from けれども and perfectly interchangeable)