In English, the past perfect tense describes an action completed before another past event, or an action completed before a specific time focus. Grammatically, as the present perfect does, the past ...

A suffix is a letter or group of letters that goes on the end of a word and changes its meaning. Adding the suffix -ing to the end of a noun can change it into a verb. Narrator: I've told you, fur ...

Present continuous and 'going to' Verb patterns The present perfect with ‘ever’ and ‘never’ The present perfect with 'for' and 'since' Comparatives and superlatives Present perfect with 'just', ...