Read each sentence and choose the correct type of it. Определите тип предложения. If people don't understand each other because of age difference, it means they have generation gaps.
If you don't care about marks and often come late for classes, you will soon get bad performance at
If you don't want to get lost in an unknown city, you need to download a special app or take a map
You would win this game unless you were so absent-minded.
If you want to stop sibling rivalry with your sister, you should not compete but communicate with
If you tried to understand each other's needs, you wouldn't quarrel so often.
If our granny puts on her glasses, she will see the flowers.
They would all have been very surprised if I had made such a mistake.

1. If people don't understand each other because of age difference, it means they have generation gaps.
This is a complex sentence. It contains two clauses separated by a comma and the coordinating conjunction "and". The first clause is the main clause, "it means they have generation gaps," and the second clause, "If people don't understand each other because of age difference," is a subordinate clause starting with the subordinating conjunction "If."

2. If you don't care about marks and often come late for classes, you will soon get bad performance at.
This sentence is incomplete and grammatically incorrect because it lacks a main verb after "at." However, based on the structure, it seems to be intended as a conditional sentence. The subordinate clause "If you don't care about marks and often come late for classes" begins with the subordinating conjunction "If."

3. If you don't want to get lost in an unknown city, you need to download a special app or take a map.
This is a complex sentence. The main clause is "you need to download a special app or take a map," and the subordinate clause begins with the subordinating conjunction "If."

4. You would win this game unless you were so absent-minded.
This is a complex sentence. The main clause is "You would win this game," and the subordinate clause "unless you were so absent-minded" starts with the subordinating conjunction "unless."

5. If you want to stop sibling rivalry with your sister, you should not compete but communicate with.
This sentence is incomplete and grammatically incorrect because it lacks a verb after "with." However, based on the structure, it seems to be intended as a conditional sentence. The subordinate clause "If you want to stop sibling rivalry with your sister" starts with the subordinating conjunction "If."

6. If you tried to understand each other's needs, you wouldn't quarrel so often.
This is a complex sentence. The main clause is "you wouldn't quarrel so often," and the subordinate clause "If you tried to understand each other's needs" begins with the subordinating conjunction "If."

7. If our granny puts on her glasses, she will see the flowers.
This is a complex sentence. The main clause is "she will see the flowers," and the subordinate clause "If our granny puts on her glasses" begins with the subordinating conjunction "If."

8. They would all have been very surprised if I had made such a mistake.
This is a complex sentence. The main clause is "They would all have been very surprised," and the subordinate clause "if I had made such a mistake" starts with the subordinating conjunction "if."