There are two ways to indicate a future action, ir a «infinitive» and the future tense. How do I decide which to use when? Is one form more common when spoken or in writing? Is there a regional ...
I've read that one should use "ir a" when time of completion is certain. If the time is uncertain, one should use the future tense. This choice is not so clear-cut when asking a question. Take for ...
Is the "a" necessary when using "ir a" to convey future meaning? Google gives 17m results for "te va a encantar" but also 1.5m for "te va encantar". Does this rule vary according to formality?