Complete the sentence using the appropriate option:
I don’t want to go without you. I _____ (wait) until you ____(be) ready.
a) will wait…will be
b) will wait…have been
c) will wait…are
d) have waited…have been

Hint: Each of the options has a very distinct meaning, which means that they will change what the sentence means. We need it to mean that the person does not want to go until the person is ready, so they are willing to wait.

Complete answer:
 The first sentence already tells us the one tense used. In the first sentence, the present tense is used, which means that the person is saying this in real-time. So, the next part will be filled accordingly. In the next part, the person says that they are ready to wait. This means that the tense will be a future tense as the action of waiting will happen in the future. The last part of the sentence signifies a completed action, however, since the first verb is in the present tense, the last verb will also be in the present tense.

Now we know what we are looking for. Let’s look at the given options-
a) will wait…will be - The first part of this option is in the simple future tense, which is correct. The second part is also in the simple future tense. However, this is incorrect as it does not fit into the context of the given sentence. This is not the required answer. So, this is an incorrect option.
b) will wait…have been - The first part of this option is in the simple future tense, which is correct. The second part is in the present perfect tense. So, this is incorrect as it does not fit into the context of the given sentence. This is not the required answer. So, this is an incorrect option.
c) will wait…are - The first part of this option is in the simple future tense, which is correct. The second part is in the simple present tense. This is correct as it does fit perfectly into the context of the given sentence. This is the required answer. So, this is the correct option.
d) have waited…have been - The first part of this option is in the present perfect tense, which is incorrect. The second part is also in the present perfect tense. However, this is incorrect as it does not fit into the context of the given sentence. This is not the required answer. So, this is an incorrect option.

Note:
Choose the most appropriate option given the context of the sentence. Make sure all the forms of the verb are aligning with each other and work with each other perfectly.