show details 3:38 PM (2 hours ago) |
You need an article before the family: the Obamas. Only #7 is clearly ungrammatical (were). All the others are grammatical but no doubt native speakers have their preferences as to which are more or less unnatural.
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show details 3:38 PM (2 hours ago) |
NoctivagusWhy on earth should there be no option to indicate possibility rather than certainty in a clause like this?
Your website was made for learners of English, who are currently focusing on the most common uses of if-clauses.
To quote "English Grammar in Use" (Cambridge University Press) on this topic (Unit38, p.76):
"Could and might are also possible: