Questions & Answers about Vi ska skörda vetet imorgon ifall det inte regnar.
Can I use om instead of ifall here?
Yes, absolutely! Both om and ifall mean "if" or "in case". In real conditional sentences like this, they are completely interchangeable, though om is slightly more common in everyday speech.
Why is the word order det inte regnar rather than det regnar inte?
Because ifall det inte regnar is a subordinate clause (a dependent clause). In Swedish subordinate clauses, the negation inte must come before the verb (regnar). You might remember this as the BIFF-rule: in a subordinate clause, inte goes before the finite verb.
What is the base form of vetet and why does it end in -t?
The base form is ett vete (wheat). To make it definite ("the wheat"), we add -t because it is an ett-word that already ends in a vowel. Even though wheat is mostly treated as an uncountable mass noun in English, it follows standard noun rules in Swedish.
The main clause uses ska skörda. Could we just use the present tense since we have the time word imorgon?
Yes, you could just say Vi skördar vetet imorgon ifall.... In Swedish, using the present tense together with a future time expression is a very natural and common way to express the future. Using ska here simply emphasizes that it is a set plan or intention.