10 exercises — using "not that + clause" to soften disagreement, deny an unwanted inference, and preempt misreadings in code reviews and design docs, plus the fixed idiom "not that I know of."
Quick reference
Not that + subject + verb: preemptively dismisses or denies the significance of a point before making it
Fixed word order: "not that" is always followed directly by subject + verb, never scrambled
Not that I know of: fixed idiomatic hedge response to a yes/no question
Don't confuse with "not that + adjective" (e.g., "not that fast") — a different structure using "that" as a degree word
Typical role: parenthetical aside, softening disagreement or an unwanted inference
0 / 10 completed
1 / 10
In a Slack thread, an engineer writes: "___ it matters much at this point, but the original ticket actually asked for a different behavior." Which phrase correctly opens a clause that dismisses its own importance before making a point anyway?
Not that + clause is used to preemptively downplay or dismiss the significance of the point about to be made, often as a way of softening a correction or aside: "Not that it matters much at this point, but the original ticket actually asked for a different behavior." It signals "I'm not claiming this is a big deal, but I'll mention it anyway." "Now that" introduces a reason based on something that has just become true (temporal-causal). "So that" introduces purpose. "Given that" introduces a reason/premise. None of these carry the self-dismissing, denial function of "not that."
2 / 10
Which sentence correctly uses "not that" to deny an implication the listener might have drawn, without dismissing the whole statement?
"The deploy failed. Not that it happens often, but we should still add a retry." — here "not that" pushes back on an unstated assumption the reader might make ("this must be a common problem"), clarifying that frequency isn't the point being made; the recommendation stands regardless. "Not that" always requires "that" directly followed by a full clause (subject + verb): "not that it happens often." Options B, C, and D all garble this required structure by dropping or misplacing "that" and the subject.
3 / 10
Which sentence best shows "not that" used to soften disagreement with a colleague's framing, before offering an alternative?
"Not that your approach is wrong, but I think we could simplify the caching layer significantly." This is a diplomatic hedge pattern common in code review and design discussions: deny that you're calling the other person "wrong" outright, then pivot to a suggestion, softening potential friction. The fixed word order is always "not that + subject + verb": here, "not that your approach is wrong." Options B, C, and D all scramble this required order, which is never grammatical.
4 / 10
Which sentence uses "not that I know of" correctly as a hedge response to a yes/no question?
"Not that I know of" is a fixed idiomatic response meaning "as far as I'm aware, no" — a common, slightly hedged negative answer, especially useful when you can't be fully certain. The word order is fixed and cannot be rearranged, exactly like other set phrases ("not that I recall," "not that I'm aware of"). All other options scramble this fixed order into ungrammatical strings.
5 / 10
A tech lead writes in a PR comment: "___ I don't trust the library — I just think we should pin the version to avoid surprise breaking changes." Which correctly completes the denial before the contrasting clarification?
"Not that I don't trust the library — I just think we should pin the version..." denies an inference the reader might draw from the recommendation (pinning versions might look like distrust), then clarifies the real, more modest motivation. "Given that" and "provided that" both introduce a real premise or condition, not a denial. "Now that" introduces a reason tied to a recently true fact — none of these fit the self-correcting, denial function that "not that" performs here.
6 / 10
Which sentence correctly uses "not that it makes a difference" mid-argument, as a parenthetical aside set off by dashes or commas?
"...the staging server has more RAM than production — not that it makes a difference, since the bottleneck is disk I/O." The parenthetical is correctly set off with a dash, and internally follows the required "not that + subject + verb" order ("not that it makes a difference"). The other options all misplace "not," "that," or the subject, breaking the fixed structure.
7 / 10
Which explanation correctly distinguishes "not that" (denial clause) from "not that + comparative," e.g. "not that fast" (a plain negated adjective)?
These are two unrelated homographic structures: "not that" + clause ("not that it matters") is the discourse marker for denial/dismissal covered in this set. "not" + "that" (degree word) + adjective ("the server isn't that fast," i.e., "not to that degree of fastness") is a completely different structure, where "that" functions as an intensifying degree adverb, not a subordinating conjunction introducing a clause. Recognizing which structure you're looking at depends on what follows: a full clause (denial marker) or a bare adjective (degree negation).
8 / 10
Which sentence correctly follows "not that" with a negative clause, expressing a double-negative-flavored dismissal ("not that it isn't...")?
"Not that it isn't a valid concern, but we've deprioritized it for this sprint." Even with a negative verb inside the clause ("isn't"), the fixed word order stays the same: "not that + subject + verb(+not)." This produces a nuanced meaning — conceding the concern is indeed valid (denying that it "isn't" valid) while still explaining why it was deprioritized. The other options scramble the required subject-verb order after "not that."
9 / 10
Which sentence correctly uses "not that" in a design doc to preempt a likely misreading of a technical decision?
"...Not that normalization is bad practice in general — it just doesn't fit our access pattern here." This preempts a reader's likely (mis)inference that denormalizing implies the team thinks normalization itself is flawed, then clarifies the actual, narrower reasoning. This is a genuinely useful move in design docs where a decision could otherwise be read as an implicit criticism of a general best practice. The other three options all scramble "not," "that," and "normalization" into ungrammatical word orders.
10 / 10
Which sentence best demonstrates that "not that" clauses typically function as a PARENTHETICAL aside, not the main point of the sentence?
"The server needs more memory eventually — not that it's urgent — so let's look into it next quarter." Here the "not that" clause is correctly inserted as a parenthetical aside between dashes, downgrading the urgency of the main claim without derailing the sentence's primary structure (the recommendation to look into it next quarter). Option A runs the clauses together with no clear boundary, creating a comma splice around the parenthetical. Option C garbles the internal word order of the clause itself. Option D awkwardly wedges the parenthetical mid-noun-phrase, disrupting the sentence's flow and clarity.