Conditional Sentence

A conditional sentence is formed with 'Nếu' (if) ...'thì' (then).
The sentence structures can be:

-Nếu/ Nếu như + if-clause + main clause (Subject+ Verb+Object)
You can omit the word “Nếu / Nếu như"

-Trường hợp / Trong trường hợp if-clause , thì + main clause (Subject+ Verb+Object)

-Giả sử + if-clause, thì + main clause (Subject+ Verb+Object)

-Ví dụ / Thí dụ + if-clause, thì + main clause (Subject+ Verb+Object)

-Main clause, trừ khi/ trừ phi + subordinate clause (a subordinate clause is in positive form, but it means “nếu ~ không” when going with the word “trừ phi”)