پرسش‌ها با تگ (گرامر)

سلام فعل این جمله درسته  Here are one of the problems of technology and its solution باید از are استفاده کنیم چون one of the problems  و its solution داریم و and هم اومده درسته ؟

میشه این جمله رو به  حالت مجهول بنویسید : Have you finished your work? 

It's obvious that you...

فرق بین  LINKING VERB HELPING VERB چیه ؟

گرامر  (linking verbs) رو میشه توضیح بدید .

چه زمانی از hasn't و چه مواقعی از doesn't استفاده میکنیم؟؟

کسی میدونه فرق i've to go و i have got to go چیه؟ کدومش informal هست؟

عبارت مجهول شده ی جمله ی ....... Has he finished his homework? 

Not only ______ you, but he also lied to you.

The shop_______for an hour when they arrived.