Interesting question. I always say "won't be getting" or "won't be going" because it sounds nicer. "I won't go" is a strong statement. "I won't be going" or "I don't think I will be going" sounds much nicer. The difference: won't get an increase: you were supposed to get the increase today or soon. won't be getting: you were supposed to get the increase later on in the year. The difference is very subtle and you could use both of these examples for both of these situations.

Yes, you could write 'we won't get' and the meaning would be the same. The difference is very subtle. And in response to Alexander's suggestion...no, I don't think that the continuous aspect is necessarily more colloquial.

If I'm not mistaken, we won't be getting... is more colloquial... Just wait for someone to confirm or refute my answer :D

2-2 In short, the use of the past tense and the continius aspect is often used to carry a less strong, less 'dynamic' tone, so as to be more polite, graceful or accurate. Another fact is the perfect aspect is often used to help indicate tense(time): You should tell her vs You should have told her If only Tome had studied harder {{ past perfect aspect for past tense }}, he would have got a better mark {{ present perfect for present tense }} . ( Note1: theoretically, there may be 6 tenses(time) in English, according to the way that modern English has taken:present, past, future, past future, past past, future past, future future. But English has choosen only 4. In fact, English has no proper marks for 'future' tenses, so that some grammarians argue that Enlish has only two tenses: present and past.) ( Note 2: Different languages adopt varied numbers of aspects: zero to four or five. ) ==== The above is my own 'theory', if any errors, please do not hesitate to speak up, so we can learn something from you.

2-1 English has 4 tenses (time, Note 1) and 4 aspects( state of action, Note 2), therefore there are 4 x 4, that is, 16 combinations of tense-aspect: this kind of combination is simply called 'tense' in general English grammar. However, people usually use only 5-8 of these, because some of them are cumbersome while carrying not much more meaning. So a certain meaning is often possible to be expressed in two or even three (general) tenses, and sometimes which tense is actually used is not even easy to determine. For example, past future perfect continous: Tom would have been studying English since 2016. You're not likely to regard this sentence as in PFPC tense, rather as in the present perect continous, and presume 'would' is a modal verb, indicating a conjectural tone. Why this confusion? It's because modern English uses a special kind of auxiliary verb: modal verbs, and future (general tense) do not have its exclusive mark. Besides, English often use one grammatical category (means) to carry a meaning of another category. The most common is the use of past tense and the continius aspect to indicate a meaning of MOOD (tone): Can you vs Could you/ Will you vs Would you; I hope you came to attend my wedding if convenient. we've been told at our company that we won't be getting a salary increase this year. ' When will you be leaving, sir?' the hotel receptionist asked.