It is rude to say this so please don't. It's here to practice vocabulary and structure.
Are you old?
Are we old?
Study English in London
Subject + have + been + verb - ing form
Subject + should + have + past participle
"I went to the shop," said Jonathan.
Subject + verb 'be' + past participle verb
Subject + had + been + continuous verb
Relative clause and pronouns
Subject + may / might / could + have + past participle verb
Subject + would + have + past participle verb
Subject + get used to + noun phrase
Relative clauses and relative pronouns