If its arms (GROW) back, it (BE) easier.
If its arms GROW back, it WILL BE easier. (1st)
If she (HAVE) eight arms, it (BE) easier.
If she HAD eight arms, it WOULD BE easier (2nd)
It's hot and sunny. If it (RAIN), they (STAY) at home.
If it rained, they WOULD STAY at home. (2nd)
I won't have time to tidy up if people don't help me. Unless ...
Unless people help me, I won't have time to tidy up.
People won't remember when it is if you don't send invitations. Unless ...
Unless you send invitations, people won't remember when it is.
Joe Biden is the current US President. If he (BE) president of the USA again, he (DO) more to help the environment.
When he IS president of the USA again, he WILL DO more to help the environment. (1st)
I won't enjoy the barbecue if Sabrina doesn't come. Unless ...
Unless Sabrina comes, I won't enjoy the barbecue.
My kids would have to do housework if ...
+ past simple
If I woke up with superpowers, ...
I would ...
If I (ABLE TO) fly, I (FLY) to Africa.
If I COULD/ WAS/WERE ABLE TO fly, I WOULD FLY to Africa. (2nd)
If you don't invite the neighbours, they will complain about the noise. Unless ...
Unless you invite the neighbours, they will complain about the noise.
I don't have much money, but if I (BE) rich, I (BUY) a luxury yacht.
If I WAS/WERE rich, I WOULD BUY a luxury yacht. (2nd)
It might rain later. If it (RAIN), we (STAY) at home.
If it RAINS, we WILL STAY at home. (1st)
When he (BE) richer, he (BUY) a bigger luxury yacht.
When he IS richer, he WILL BUY a bigger luxury yacht. (1st)
If there were eight days in a week, ...
I would ...
The baby birds can't fly yet. When they (ABLE TO) fly, they (FLY) to Africa.
When they ARE ABLE TO FLY, we WILL FLY to Africa. (1st)
They (GO) to the moon this year if they (HAVE) enough money.
They WILL go to the moon this year if they HAVE enough money. (1st)
Sorry, I don't have time. If I (HAVE) enough time, I (HELP) you.
If I HAD enough time, I WOULD HELP you. (2nd)
If I was a parent ...
I would ...
Unless you make mistakes ...
you won't learn.
If I could study in another country, ...
I would ...
Barça were knocked out of the Champions League in the group stage. If Barça (WIN) the Champions League, there (BE) a big celebration
If Barça WON the Champions League, there WOULD BE a big celebration. (2nd)
They aren't ready to go to the the moon yet. They (STAY) overnight if they (CAN) go to the moon this year.
They WOULD stay overnight if they COULD go to the moon this year. (2nd)
Tomorrow is the final. If City (WIN) the Champions League, there (BE) a big celebration in Manchester.
If City WIN the Champions League, there WILL BE a big celebration. (1st)
If we won the lottery, ...
we would ...
I wouldn't let my kids have a house party unless ...
+ past simple
If I (BE) president of the USA, I (CHANGE) the gun laws.
If I WAS/WERE president of the USA, I WOULD CHANGE the gun laws. (2nd)
You won't have many good friends unless ...
you take care of them.
If you forget a good friend's birthday, ...
they will be angry with you.
If I could travel back in time for a day, ...
I would ...
People will respect you if ...
you respect them.
The Prince of Wales tells his daughter: When I (HAVE) enough money, I (BUY) you a pony.
When I HAVE enough money, I WILL BUY you a pony. (1st)