この手紙は紛失すると行けないから、書留にするがよい。の英語

You had better get this letter registered for fear it should be lost.

If you can not write the letter, I will write it for you.

You must reply to that letter.

You have to reply to the letter.

You have no reply to letters.

Don't put off answering the letter.

I have letters I need to write.

Don't forget to mail this letter on your way to school.

I have to write a letter.

The letter must have been lost in the post.

I'm worried that letter may not have reached you safely.

Don't forget to post the letter, please.

Please don't forget to post the letter.

Please don't forget to mail this letter.

Please remember to mail this letter on your way to school tomorrow morning.

I have written to him, and expect to hear from him very soon.

Don't put off answering the letter.

This letter has to be sent right away.

Remember to answer his letter.

Don't forget to answer the letter.

Don't forget to mail this letter first thing in the morning.

The letter may have been lost in the mails [post].

Don't forget to write to me.

You needn't answer the letter.

You don't need to answer that letter.

It isn't necessary to answer that letter.

There is no need to reply to that letter.

There's no need to reply to that letter.

You need not wait for an answer.

Don't put off answering the letter.