In the WRONG place:
Watermelon's Two dollars each! (Never use an apostrophe to make a plural)
Our teacher let's us play under the trees. (Let's ALWAYS means "Let us", as in "Let's go!")
Someone scribbled on the childrens' books. (Should be "children's")
The apostrophe in a contraction holds the place of a letter or group of letters. Example: Don't = Do not (the apostrophe holds the place of the 'o') They've = They have (the apostrophe holds the place of the 'ha')
To abbreviate a year with an apostrophe, you place the apostrophe before the last two digits of the year. For example, '21 for the year 2021.
Wherever a letter (or letters) is missing is where the apostrophe should go. For example, in do not or can not the contraction drops the 'o' in 'not' so the apostrophe takes its place - don't; can't. In this same way, whenever 's is used, the apostrophe is taking the place of the 'i' in 'is'.
To write the year with an apostrophe, you would place the apostrophe before the last two digits of the year. For example, '21 for the year 2021.
An apostrophe is used in a contraction to represent that letters have been removed. In the word can't the apostrophe is taking the place of the letters "no". In the word don't the apostrophe is also taking the place of the letter "o".
To correctly write a year with an apostrophe, you would place the apostrophe before the last two digits of the year. For example, 1990 would be written as '90.
To write the year with an apostrophe correctly, you should place the apostrophe before the last two digits of the year. For example, 2021 would be written as '21.
An apostrophe (') is used at the point where letters are removed from a contraction. For example the word "can't" - the apostrophe is placed in the word to take the place of the second n and the o from the word "not," since "can't" is contraction of "cannot."
An example of abbreviating the year with an apostrophe in a formal document would be writing "The event took place on June 15, '21."
It would be he'd. He'll is wrong because that is the apostrophe for he will.
Roller coaster's doesn't take the place of anything but it shows possession. Example: roller coaster's design
The apostrophe is placed before the "s" in Chavez to make it possessive. For example, "Chavez's car" indicates that the car belongs to Chavez.