is/are
There (is/are) five cats.
There are five cats.
If I had wings, I (would/will) fly to Hawaii.
If I had wings, I would fly to Hawaii.
I don't know (who/how) to fix computers.
I don't know how to fix computers.
He needs to know (which/when) to buy his plane ticket.
He needs to know when to buy his plane ticket.
If she studies hard, she (could/can) pass the test.
If she studies hard, she can pass the test.
There (is/are) a dog.
There is a dog.
If it rains tomorrow, I (would/will) stay home.
If it rains tomorrow, I will stay home.
I'm not sure (who/how) to ask about joining English Club.
I'm not sure who to ask about joining English Club.
They don't know (which/where) to go for dinner.
They don't know where to go for dinner.
If I were taller, I (could/can) play basketball better.
If I were taller, I could play basketball better.
There (is/are) ten students.
There are ten students.
I (would/will) like to go to the game.
I would like to go to the game.
I'm not sure (who/how) to ask for help.
I'm not sure who to ask for help.
(Which/When) gift should I buy for him?
Which gift should I buy for him?
If we had the day off, we (could/can) go to the mall.
If we had the day off, we could go to the mall.
There (is/are) a clock on the wall.
There is a clock on the wall.
He (would/will) take the train to work today.
He will take the train to work today.
She does not know (who/how) to do the problem.
She does not know how to do the problem.
(Which/When) can I leave work today?
When can I leave work today?
If I am lucky, I (could/can) win the lottery.
If I am lucky, I could win the lottery.
There (is/are) a 1,000 Yen note on the floor.
There is a 1,000 Yen note on the floor.
She(would/will) like to order now.
She would like to order now.
(Who/How) can I go shopping today?
How can I go shopping today?
(Which/Where) do you want to go tonight?
Where do you want to go tonight?
I (could/can) reach the top shelf because I am tall.
I can reach the top shelf because I am tall.