The main weakness of the candidates were the language barrier. Their expressions were very poor as many could not express themselves.
Other major weaknesses were spelling mistakes and improper arrangement of the answer. The above weaknesses can be rectified or overcome when teachers give their students more work/assignment that will involve writing so that they will be able to express themselves before the actual examinations.
Students should be taught how to mindful of their spellings when writing. They should also read wide so that they will be able to express themselves in all subjects.
Teachers should be able to mark these students' assignment and correct them where necessary.