Sentence correction

I would use drank here.

Thanks. But would 'drink' be grammatically possible?
I think not just because of 'saw'.

In this case it represents a past event when you gave them orange juice and tested their blood sugar, so the past tense is appropriate.
It would be possible to construct a sentence in which We saw that... could imply We realized that..., which could be combined with a present tense description of an effect that normally occurs under these circumstances. We realiz

So it would be possible to combine a past word such as saw, realized, or showed with a present tense description. But the entire sentence that follow that first past tense word has to be in present tense and match. Right?

Also, could you have used saw or showed instead of realized?

Would this sentence be correct: we realized/saw/showed that every time they drink orange juice the

AnonymousAlso, could you have used saw or showed instead of realized?

Yes. This doesn't necessarily mean that any of them are the best way to express the general idea, but they are possible.

AnonymousWould this sentence be correct: we realized/saw/showed that every time they drink orange juice their blood sugar 'will' go up.

Thank you. Yes I realized that something was missing, the if.

How about if I wanted to write the sentence in the past. Would that be correct:We realized that every time they drank orange juice their blood sugar went up.

AnonymousThank you. Yes I realized that something was missing, the if. How about if I wanted to write the sentence in the past. Would that be correct: We realized that every time they drank orange juice their blood sugar went up.

Yes. This would usually be the most natural way to express the idea.

Thanks. You mean out of all the sentence this one is the most natural, although all of them are correct?

Also did I write this sentence correctly: if I wanted to write the sentence in the past. Specifically is the use of 'wanted' correct , and could I have used 'want' in that sentence as well?