Remember this!
The present tense form of 'fluctuate' is fluctuate or fluctuates. Example: Her moods fluctuate throughout the day. (Her moods fluctuate throughout the day.)
Definition of “fluctuate”
- to change or vary irregularly
- to rise and fall in waves
- to shift back and forth
Tense sentence structure and examples:
Notes from a Native English Speaker
Here are the general structures of a present and past participle. Remember, some verbs have an irregular form and may not follow this structure: Present Participle: [Verb] -ing Past Participle: [Verb] -ed
| Present Simple | fluctuate |
| Present Continuous | fluctuating |
| Present Perfect | fluctuated |
Example
The stock prices fluctuate daily.
Example
His energy levels fluctuate depending on his sleep.
Example
The temperature is fluctuating throughout the day.
Example
Their opinions are fluctuating as they gather more information.
Example
The market has fluctuated a lot in recent months.
Example
She has fluctuated her approach to the project.
fluctuate Subject-Verb Agreement
Notes from a Native English Speaker
Subject-verb agreement means that a subject and its verb match. They’re either both plural or both singular. A singular subject takes a singular verb. - Example: The cat is sleeping. A plural subject takes a plural verb. - Example: The cats are sleeping.
| Singular First Person (I) | fluctuate |
| Singular Second Person (You) | fluctuate |
| Singular Third Person (He/She/It) | fluctuates |
| Plural (We/You/They) | fluctuate |
Example
I fluctuate between two options.
Example
You fluctuate in your decision-making.
Example
He fluctuates in his opinions.
Example
She fluctuates in her mood.
Example
It fluctuates based on external factors.
Example
We fluctuate in our preferences.
Example
You fluctuate in your choices.
Example
They fluctuate in their behavior.