WP_CLI\Utils

past_tense_verb() │ WP-CLI 1.0

Returns past tense of verb, with limited accuracy. Only regular verbs catered for, apart from "reset".

No Hooks.

Returns

String.

Usage

past_tense_verb( $verb );
$verb(string) (required)
Verb to return past tense of.

past_tense_verb() code WP-CLI 2.13.0-alpha

wp-cli/php/utils.php 
function past_tense_verb( $verb ) {
	static $irregular = [
		'reset' => 'reset',
	];
	if ( isset( $irregular[ $verb ] ) ) {
		return $irregular[ $verb ];
	}
	$last = substr( $verb, -1 );
	if ( 'e' === $last ) {
		$verb = substr( $verb, 0, -1 );
	} elseif ( 'y' === $last && ! preg_match( '/[aeiou]y$/', $verb ) ) {
		$verb = substr( $verb, 0, -1 ) . 'i';
	} elseif ( preg_match( '/^[^aeiou]*[aeiou][^aeiouhwxy]$/', $verb ) ) {
		// Rule of thumb that most (all?) one-voweled regular verbs ending in vowel + consonant (excluding "h", "w", "x", "y") double their final consonant - misses many cases (eg "submit").
		$verb .= $last;
	}
	return $verb . 'ed';
}