Is, am, are, was and were are examples of Auxiliary verbs.
In the sentence "I am playing football," the word "am" is an auxiliary verb (also known as a helping verb), which helps form the present continuous tense.
In the sentence "She has eaten two apples", "has" is the helping verb (also called an auxiliary verb). It is used to help form the present perfect tense of the main verb "eaten".
The main verb "eaten" is a past participle, and "has" is the auxiliary verb that helps form the present perfect tense.
معاون فعل ایک ایسا فعل ہے جو اس شق میں فنکشنل یا گرائمیکل معنی کا اضافہ کرتا ہے جس میں یہ واقع ہوتا ہے، تاکہ تناؤ، پہلو، طریقہ، آواز، زور وغیرہ کا اظہار کیا جاسکے۔ معاون فعل عام طور پر ایک لامتناہی فعل یا ایک شریک کے ساتھ ہوتے ہیں، جو بالترتیب فراہم کرتے ہیں۔ شق کا بنیادی معنوی مواد
An auxiliary verb is a verb that adds functional or grammatical meaning to the clause in which it occurs, so as to express tense, aspect, modality, voice, emphasis, etc. Auxiliary verbs usually accompany an infinitive verb or a participle, which respectively provide the main semantic content of the clause