Question

1:- each month they had to pay some loans ( Identify the non-finite verb and state it's kind).....

2:- at the end of ten years they had paid off everything ( state the kind of sentence)....​

Answer 1

Answer:

1. had to pay

2. imparritive

Answer 2

Answer:

1. Non-finite verb is to pay. It is an infinitive type of non-infinite verb.  
2. The abovementioned sentence is a kind of declarative sentence.

Explanation:

A non-finite verb is of three types, which are as follows:-

• Gerund,
• Participle and
• Infinitive.

An infinitive verb is a part of a non-infinitive verb which is always after the word "to".

The declarative sentence as the word suggests is a kind of sentence that is declarative. In simpler words, it is used to conclude something or state an issue. Hence, the abovementioned sentence is a classic example of a declarative sentence.