The following sentence contains

it is not right to make a promise unless one is sure he can fulfill the promise.

one main clause
two main clauses
one main and one subordinate clause
one main and two subordinate clauses

one main and two subordinate clauses.

Explanation:

the answer is a hoped this

the sample answer on e2020

conflicting values are demonstrated between two different groups in animal farm. first, the farm animals value hard work. this is shown by them working late and working long hours at the request of the pigs. napoleon and the pigs, however, sleep late daily. furthermore, the animals value equality. this differs from the value of napoleon and the other pigs. instead of equality, they value only gaining power and maintaining their own privilege, which is demonstrated by their taking extra milk and sleeping in beds.