He did not write a letter.
this is past Indefinite tense. so we use to write with did not
"By foot" is a correct phrase meaning to travel on foot.
The correct sentence would be "We will go there by foot."
ہم وہاں پیدل جائیں گے۔
The correct phrase is "do away with", which means to eliminate or get rid of something.
Hence, the sentence becomes: "...thinking to do away with the new theory..."
"Been" is used with "has" to form the present perfect continuous tense.
"For" is used to indicate a duration of time (three years).
When describing proficiency or skill in a subject, the preposition "in" is generally used.
For example, "He is proficient in mathematics"
Usually “To” is used after “adhere”
You must adhere to your promise. آپ کو اپنے وعدے پر قائم رہنا چاہیے۔
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AGM 23.02.2023
Correct sentence: "Under a spread chestnut tree, the children play."
"Under" shows the position beneath the tree.
The phrase "No lady in the committee" indicates the absence of any woman as a member of the committee.
کمیٹی میں کوئی خاتون نہیں۔