Depends upon the context of the sentence it is used in.
The correct form is "teacher's name" when referring to the name of one teacher. If you are talking about the names of multiple teachers, the correct form would be "teachers' names." Therefore, the choice depends on whether you are discussing one teacher or multiple teachers.
Teachers day is correct because it is for all teachers
Yes because it is the teacher's outing but since there are more than one teacher it has to be posessive and plural so its teachers' outing.
the supervisor is the person that watches over the workers
There are three possible options for your question. If you are referring to more than one teacher, there is no apostrophe (teachers). If you are referring to an object that belongs to one teacher, the apostrophe is between the r and s (teacher's desk). If you are referring to an object that belongs to more than one teacher, the apostrophe is after the s (teachers' break room).
A teacher is someone who imparts knowledge or skills to others, while a learner is someone who acquires knowledge or skills from others. Teachers are typically more experienced in a subject and guide the learning process, whereas learners are actively seeking to gain knowledge or acquire new skills.
"Teachers" is the plural form, referring to more than one teacher, as in "The teachers are planning a field trip." "Teacher's" is the possessive form, indicating something that belongs to a single teacher, such as in "The teacher's book is on the desk." Use "teachers" when talking about multiple educators and "teacher's" when indicating possession by one educator.
Teachers usually have more knowledge about various topics, however tutors know one subject very well and can work one on one with you.
"Teacher's Luncheon" means that only one teacher could attend. "Teachers' Luncheon" denotes the plural form, i.e. a luncheon for many teachers.
"Respectful to his teacher" is correct.
The plural word for more than one teacher is teachers.
One option: "I hoped I would have gotten along with your teacher too, because you have had bad teachers in the past."