SECTION: CAN (to be able)
English: Can
Pinyin: k臎-y菒
English: Is it okay?
Pinyin: k臎-y菒 ma
Literally: can?
English: I can go
Pinyin: w菕 k臎-y菒 q霉
Literally: (same)
English: Can you go?
Pinyin: n菒 k臎-y菒 q霉 ma
Literally: you can go +?
English: Can you come?
Pinyin: n菒 k臎-y菒 l谩i ma
Literally: you can come +?
English: May I sit down?
Pinyin: w菕 k臎-y菒 zu貌 ma
Literally: I can sit +?
English: I cannot eat this
Pinyin: w菕 b霉 k臎-y菒 ch墨 zh猫-ge
Literally: I not can eat this
There is more than one way of saying can in Mandarin. In general you'll find kuh-ee to involve permission issues. The following verb, nung, implies ability because of skills/knowledge. However, this is a very loose rule and these two verbs are often used interchangeably.
English: Can (alternate)
Pinyin: n茅ng
English: Can you speak English?
Pinyin: n菒 n茅ng shu艒 y墨ng-w茅n ma
Literally: you able to speak English?
English: I cannot come
Pinyin: w菕 b霉 n茅ng l谩i
Literally: I not able come
SECTION: WHEN
English: What
Pinyin: sh茅n-me
English: When
Pinyin: sh茅n-me sh铆-h貌u
Literally: what times
English: When are we going?
Pinyin: w菕-men sh茅n-me sh铆-h貌u q霉
Literally: we when go?
English: When are you going?
Pinyin: n菒 sh茅n-me sh铆-h貌u q霉
Literally: you when go?
English: When is he coming?
Pinyin: t膩 sh茅n-me sh铆-h貌u l谩i
Literally: he when come?
English: When can you come?
Pinyin: n菒 sh茅n-me sh铆-h貌u k臎-y菒 l谩i
Literally: you when can come?
English: When are we eating?
Pinyin: w菕-men sh茅n-me sh铆-h貌u ch墨
Literally: we when eat?
English: When do you want to eat?
Pinyin: n菒 xi菐ng sh茅n-me sh铆-h貌u ch墨
Literally: you would like when to eat?