I'm → I am
"I'm excited to start my new job!" (I am excited to start my new job!)

You're → You are
"You're the kindest person I've ever met." (You are the kindest person I've ever met.)

He's → He is
"He's always ready to help anyone in need." (He is always ready to help anyone in need.)

She's → She is
"She's been studying for hours." (She is been studying for hours.)

It's → It is
"It's raining heavily outside." (It is raining heavily outside.)

We're → We are
"We're planning a trip to the mountains." (We are planning a trip to the mountains.)

They're → They are
"They're coming over for dinner tonight." (They are coming over for dinner tonight.)

I've → I have
"I've finished all my assignments." (I have finished all my assignments.)

You've → You have
"You've done a fantastic job on this project." (You have done a fantastic job on this project.)

We've → We have
"We've been friends since childhood." (We have been friends since childhood.)

They've → They have
"They've moved to a new city recently." (They have moved to a new city recently.)

I'll → I will
"I'll call you when I get home." (I will call you when I get home.)

You'll → You will
"You'll enjoy the movie; it's very funny." (You will enjoy the movie; it's very funny.)

He'll → He will
"He'll be here around 5 p.m." (He will be here around 5 p.m.)

She'll → She will
"She'll bring dessert to the party." (She will bring dessert to the party.)

It'll → It will
"It'll take about an hour to get there." (It will take about an hour to get there.)

We'll → We will
"We'll visit you next weekend." (We will visit you next weekend.)

They'll → They will
"They'll be delighted to see you." (They will be delighted to see you.)

I'd → I would / I had

• I would: "I'd love to join you if I have time." (I would love to join you if I have time.)

• I had: "I'd already eaten when they arrived." (I had already eaten when they arrived.)

You'd → You would / You had

• You would: "You'd enjoy this book if you like mysteries." (You would enjoy this book if you like mysteries.)

• You had: "You'd better finish your homework before dinner." (You had better finish your homework before dinner.)

He'd → He would / He had

• He would: "He'd go to the concert if he had a ticket." (He would go to the concert if he had a ticket.)

• He had: "He'd left before I could say goodbye." (He had left before I could say goodbye.)

She'd → She would / She had

• She would: "She'd love to see the exhibit if she were in town." (She would love to see the exhibit if she were in town.)

• She had: "She'd already made plans for the weekend." (She had already made plans for the weekend.)

We'd → We would / We had

• We would: "We'd travel more if we had more time off." (We would travel more if we had more time off.)

• We had: "We'd finished our work before the storm hit." (We had finished our work before the storm hit.)

They'd → They would / They had

• They would: "They'd help if they knew what to do." (They would help if they knew what to do.)

• They had: "They'd met years before they got married." (They had met years before they got married.)

Can't → Cannot
"I can't believe how quickly time flies!" (I cannot believe how quickly time flies!)

Won't → Will not
"He won't join us for dinner tonight." (He will not join us for dinner tonight.)

Didn't → Did not
"They didn't finish their project on time." (They did not finish their project on time.)

Don't → Do not
"I don't think this is the right way." (I do not think this is the right way.)

Aren't → Are not
"They aren't coming to the event." (They are not coming to the event.)

Isn't → Is not
"This isn't what I ordered." (This is not what I ordered.)

Doesn't → Does not
"He doesn't understand the instructions." (He does not understand the instructions.)

Hasn't → Has not
"She hasn't decided on a major yet." (She has not decided on a major yet.)

Haven't → Have not
"We haven't seen that movie yet." (We have not seen that movie yet.)

Wouldn't → Would not
"I wouldn't recommend that restaurant." (I would not recommend that restaurant.)

Shouldn't → Should not
"You shouldn't go out in the storm." (You should not go out in the storm.)

Couldn't → Could not
"I couldn't find my keys this morning." (I could not find my keys this morning.)

Would’ve → Would have
"I would’ve called, but I didn’t have my phone." (I would have called, but I didn’t have my phone.)

Could’ve → Could have
"They could’ve helped us, but they were too busy." (They could have helped us, but they were too busy.)

Should’ve → Should have
"You should’ve told me earlier." (You should have told me earlier.)

Let’s → Let us
"Let’s go to the park this afternoon." (Let us go to the park this afternoon.)

Who's → Who is / Who has

• Who is: "Who's going to lead the meeting today?" (Who is going to lead the meeting today?)

• Who has: "Who's already finished their assignments?" (Who has already finished their assignments?)

What's → What is / What has

• What is: "What's your favorite food?" (What is your favorite food?)

• What has: "What's changed since the last meeting?" (What has changed since the last meeting?)

Where's → Where is / Where has

• Where is: "Where's the nearest coffee shop?" (Where is the nearest coffee shop?)

• Where has: "Where's everyone gone?" (Where has everyone gone?)

There's → There is
"There's a great new restaurant downtown." (There is a great new restaurant downtown.)