Which sentence uses 'come across' correctly?

I came across an old photo while cleaning the attic

I came across the street to meet you

I came across an old photo while cleaning the attic

The bridge came across the river

Which sentence uses 'come across' correctly?

She comes across as very confident in interviews

He came across the finish line first

Which sentence uses 'come by' correctly?

Good jobs are hard to come by these days

The bus will come by this route

Good jobs are hard to come by these days

I come by the office every morning at 8

Which sentence uses 'come by' correctly?

Can you come by my house later for coffee?

The train came by the station too fast

She comes by the grocery store home

Which sentence uses 'come out' correctly?

The new iPhone will come out next month

I need to come out from the house now

The new iPhone will come out next month

Which sentence uses 'come out' correctly?

The truth finally came out after the investigation

The students came out to the classroom

Master the Phrasal Verb: Build In

“In life's grand puzzle, one must build in patience, for wisdom reveals itself when bricks of time are set in place.”

📖 Definition

The phrasal verb ‘build in’ means to incorporate or integrate something as a permanent feature into a structure, plan, or system from the outset.

📝 Grammar Info

Separable

Yes

You can say 'build something in' or 'build in something'.

Neutral

Used in both formal and informal contexts.

Transitive

Yes

Requires a direct object to specify what is being incorporated.

📊 Conjugation Table

Tense	Form	Example
Present Simple	build in	We need to build in extra security features into the software.
Past Simple	built in	They built in new safety measures into the factory design.
Present Continuous	building in	She is building in additional storage space during the renovation.
Present Perfect	have built in	I have built in several efficiencies into the process this year.

💡 When to Use

Integrating features during design

Use 'build in' when discussing the inclusion of features during the planning or design stage for permanence.

Example: “They decided to build in renewable energy solutions in the new housing project.”

Adding essential components early

Apply 'build in' when referring to the integration of necessary components at an early stage of a system or structure.

Example: “The engineers built in the plumbing during the initial phase of construction.”

Planning for future needs

Use 'build in' to describe anticipating future requirements and incorporating them into current plans.

Example: “The software developers built in scalability to accommodate future growth.”

⚠️ Common Mistakes

Incorrect Object Placement

❌ Wrong: They built extra security in the system.

✅ Correct: They built in extra security into the system.

💡 Tip: Remember, 'build in' requires an object right after the verb.

Incorrect Tense

❌ Wrong: They are build in features regularly.

✅ Correct: They are building in features regularly.

💡 Tip: Ensure the use of correct continuous tense 'building.'

Omission of Object

❌ Wrong: We will build in if needed.

✅ Correct: We will build in extra features if needed.

💡 Tip: Always specify what is being built in.

Practice

BUILD IN – IN PRACTICE

Study Method Proposal

Listen and repeat the audio as many times as needed to improve your pronunciation
Use the audio as a dictation exercise, trying to write what you hear and understand
Create a new sentence following the structure of the example sentences

Examples in Context

1
Listen to example

The architect decided to build in a solar heating system to ensure energy efficiency.
How National Parks Came to Be
2
Listen to example

To avoid future issues, they built in a robust drainage system from the start.
How to Become a Hiker
3
Listen to example

For the software update, developers are building in new authentication protocols.
Bringing Animals Back to Life

Synonyms & Antonyms

Synonyms

incorporate integrate

Antonyms

remove

Quick Check

Complete the sentence with the correct phrasal verb:

“The designers decided to ___ additional feedback mechanisms to improve the product's usability.”

build up

build in

build off

build down

❓ Frequently Asked Questions about Build In

What is the origin of build in?

The phrase 'build in' originates from the general concept of construction, where additional features are physically integrated into the design of a structure or plan.

Can build in be used in formal and informal contexts?

'Build in' is versatile, applicable in both formal and informal settings, making it suitable for discussions ranging from casual conversations to professional documents.

What is the difference between build in and incorporate?

While both 'build in' and 'incorporate' involve integration, 'build in' specifically refers to planned inclusion from the outset, whereas 'incorporate' can also imply later addition.

Browse All National Parks Phrasal Verbs

About the Author

Alessandra Nóbrega

History teacher who fell in love with English! This passion led me to specialize in languages and work on bilingual education projects. With 37 years in education, I believe learning should be meaningful – not just memorization.

Learn more about my journey