Since: point of time
For: period of time
She lived here for ten days.******
This sentence is complex because it contains two clauses: "I know" (main clause) and "why people are making noise" (subordinate clause).
"Has taught" is present perfect tense.
It is used for actions that started in the past and continue to the present.
The phrase "since 23rd July 2007" indicates the starting point of a continuous action up to now.
“Go to your room” is an imperative sentence because it expresses an order or command.
Present Continuous Tense is used for present continuous action and future action as well.
The word “Tomorrow” shows something will happen in the future.
Therefore, we need to use present continuous tense here.
She knows me means وہ مجھے جانتی ہے
Know is a verb.
Knew is the second form while known is the third form of Know.
Past Indefinite tense
Active Voice= Subject + Second Form of Verb + Object.
Passive Voice = Object + was/were + third of verb + by + subject.
This is a sentence of present indefinite tense.
Helping Verbs
A.V = Do/Does
P.V = is/am/are
Sell is an irregular verb which means فروخت کرنا
Sold is the second form of Sell.
Sold is also the third form of Sell.
Active voice: Sana Knows Me.
Passive Voice: Sana is known to me.
Active: Subject + Second Form of Verb + Object.
Passive= Object + was/were + third of verb + to + subject.
Active Voice: The doctor advised him not to eat rice.
Passive Voice: He was advised by the doctor not to eat rice.
Who laughs at you is an interrogative sentence of Present Indefinite Tense.
Who laughs at you means آپ پر کون ہنستا ہے؟
Present Indefinite Tense
Active Voice: Subject + Verb + Object
Passive Voice: Object + is/am/are+ third form of a verb + by + subject.